Rinnai Commerical HD32e Instant Gas Hot Water System | Supply+Install | LIFETIME WARRANTY - Water Heater - Gas Continuous Flow

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Rinnai Commerical HD32e Instant Gas Hot Water System | Supply+Install | LIFETIME WARRANTY

Hot water, hassle-free. This Rinnai is built for families who value reliability, efficiency, and peace of mind. With expert installation and unbeatable service, you’re in the best hands!

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Model: HD32e

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🏷️ Brand: Rinnai
🔢 Model Number: HD32e
📦 Volume: L
📏 Width: mm
📐 Height: mm
🌍 Manufactured In:
🛠️ Heat Exchange Material:
🛡️ Cylinder/Heat-Exchange Warranty: Years
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⚖️ Dry Weight: kg
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IMPORTANT - Default supply is Natural Gas — please leave a note at checkout if LPG is required where available.

RINNAI COMMERCIAL GAS HOT WATER INSTALLATION

Rinnai HD32e Installation Brisbane & Gold Coast

JR Gas & Water supplies and professionally installs the Rinnai HD32e heavy duty continuous-flow gas hot water system across Brisbane, the Gold Coast and surrounding South East Queensland service areas.

The HD32e is Rinnai's largest current non-condensing commercial continuous-flow model. It is designed for external installation and provides high-output on-demand hot water without relying on a conventional storage cylinder.

Rinnai rates the HD32e at 59kW output, 83% thermal efficiency and a 6.0-star energy rating, with a maximum flow of approximately 37 litres per minute and 32 litres per minute at a 25°C temperature rise.

It can be installed as a single commercial water heater or incorporated into a staged multi-unit commercial arrangement where the site's calculated peak demand requires additional capacity.

Rinnai HD32e quick answer: the HD32e is an external-only, non-condensing heavy-duty commercial gas continuous-flow water heater. Current Rinnai specifications list 59kW output, 83% thermal efficiency, a 250MJ/h maximum gas rate, 32L/min at a 25°C temperature rise and up to 37L/min maximum flow. It also supports Cascade and MECS multi-unit control, making it suitable for both standalone and scalable commercial hot-water installations.

Rinnai HD32e Supply & Installation at a Glance

Maximum Output

59 kW

Heavy-duty commercial heating output for suitable higher-demand gas hot water applications.

Thermal Efficiency

83%

Current manufacturer thermal-efficiency rating for the non-condensing HD32e.

Maximum Flow

37 L/min

Maximum published flow, with 32L/min available at a 25°C temperature rise.

Installation Type

External commercial installation as a single appliance or as part of a staged multi-unit hot-water system.

Who Is the Rinnai HD32e Best For?

Cafés & Food Businesses

Suitable for commercial sites requiring dependable hot water for sinks, cleaning and other regular operational demand.

Laundries & Amenities

A practical commercial option for laundromats using suitable equipment, amenity blocks, childcare facilities and similar higher-use sites.

Factories & Workplaces

Can suit commercial and industrial properties where on-demand hot water, commercial controls and scalable capacity are required.

PRODUCT SUITABILITY

Is the Rinnai HD32e Right for My Site?

A Good Choice If...

You need a heavy-duty external gas continuous-flow system and the required hot-water demand, gas supply and water pressure suit the HD32e's commercial operating range.

Consider Another System If...

You need an internal-only installation, substantially higher efficiency, large-volume stored hot water or a site design better matched to heat pump, storage or another commercial plant configuration.

JR Should Check First If...

Multiple outlets operate together, gas capacity is uncertain, recirculation is required, several heaters may need to be staged or the site has specialised process-temperature requirements.

How Does the Rinnai HD32e Work?

Demand begins: when sufficient water flow passes through the appliance, the HD32e starts heating rather than drawing from a stored hot-water cylinder.

Gas burner: gas input is controlled to provide the heat required for the current water flow and selected outlet temperature.

Heat exchanger: combustion heat transfers into the incoming water as it passes through the appliance.

Electronic control: the system monitors operating conditions to maintain controlled outlet temperature within its designed operating range.

Continuous delivery: the appliance continues heating while sufficient water flow and gas supply are available.

Non-Condensing Commercial Design

The HD32e is Rinnai's high-output non-condensing commercial model.

Unlike the HDC32e condensing model, it does not recover additional latent heat from the combustion exhaust through a secondary condensing heat exchanger.

That results in lower thermal efficiency than the HDC32e, but it also means the HD32e does not have the normal acidic condensate-drain requirement associated with a condensing commercial water heater.

This can make the HD32e a practical fit where a high-output external non-condensing system better matches the existing commercial installation.

Commercial Flow & Temperature Rise

Continuous-flow capacity depends on how much the incoming water temperature must be increased.

Rinnai lists the HD32e at approximately 32L/min at a 25°C temperature rise and up to 37L/min maximum flow.

The maximum-flow number should not be treated as the guaranteed delivery rate for every commercial application. Colder incoming water, higher outlet temperatures, pressure loss and simultaneous use all affect the real operating condition.

Commercial sizing should be based on peak demand. The correct system depends on simultaneous litres per minute and required temperature rise, not simply the nominal model number or maximum brochure flow.

Single HD32e or Multiple Units?

The HD32e can operate as a standalone commercial water heater where one unit can satisfy the site's calculated peak demand.

Larger applications can use multiple compatible Rinnai commercial continuous-flow appliances with Cascade or MECS control.

Single HD32e

Suitable where peak simultaneous flow remains within the practical output of one appliance.

Staged Multi-Unit System

Additional heaters can be brought into operation where a larger commercial site requires more hot-water capacity.

Commercial Plant Design

Multi-unit systems may also require common headers, controls, gas sizing, recirculation and hydraulic balancing.

Rinnai HD32e Key Features

59kW Commercial Output

Rinnai positions the HD32e as its largest current non-condensing commercial continuous-flow model.

Heat Exchange Bypass

Designed to help maintain controlled outlet temperature while reducing unnecessary pressure loss through the appliance.

Built-In Status Monitor

Displays set water temperature and appliance status for operation and commissioning.

Cascade & MECS Compatible

Supports suitable staged and manifolded commercial hot-water configurations.

High-Temperature Safety Cut-Out

Commercial safety functionality is built into the appliance control system.

Anti-Frost Protection

Rinnai lists built-in anti-frost protection for conditions down to approximately -20°C when installed and powered as required.

Rinnai HD32e Specifications

Specification	Rinnai HD32e
Product Code	REU-AM3237WC
Product Type	Commercial heavy-duty non-condensing continuous-flow gas water heater
Installation Location	External only
Thermal Efficiency	83%
Energy Rating	6.0 Star
Maximum Output Capacity	59kW
Maximum Gas Rate	250MJ/h
Minimum Gas Rate	20MJ/h
Gas Type	Natural Gas or LPG versions available
Flow at 25°C Rise	32L/min
Maximum Published Flow	37L/min
Minimum Water Pressure	200kPa
Maximum Water Pressure	1000kPa
Factory Default Temperature	50°C or 75°C depending on supplied version
Gas Connection	20mm
Cold Water Connection	20mm
Hot Water Connection	20mm
Width	470mm
Depth	271mm
Appliance Height	600mm
Height Including Brackets	640mm
Weight	23kg
Colour	Silver
Status Monitor	Yes
Cascade Compatible	Yes
MECS Compatible	Yes
Commercial Heat Exchanger Warranty	5 years, subject to current Rinnai warranty terms
Commercial Parts & Labour Warranty	3 years, subject to current Rinnai warranty terms

Product specifications and available temperature versions can change. Final gas, water, electrical, clearance, commissioning and control requirements should follow the current Rinnai documentation for the supplied appliance.

Rinnai HD32e Size & Installation Space

Rinnai currently lists the HD32e appliance body at approximately 600mm high, 470mm wide and 271mm deep.

Overall height including mounting brackets is approximately 640mm and the appliance weighs about 23kg.

Height

600 mm

Width

470 mm

Depth

271 mm

Weight

23 kg

Published dimensions are not the same as the total installation envelope. Required appliance clearances, gas and water connections, mounting, electrical access and future servicing space must also be considered.

INSTALLATION REQUIREMENTS

What Is Required to Install a Rinnai HD32e?

Suitable external mounting location

Gas supply sized for the appliance and total site load

Suitable cold-water service

Suitable commercial hot-water pipework

Water pressure within operating limits

Correct Natural Gas or LPG appliance version

Required terminal and building clearances

Suitable electrical supply

Service and commissioning access

Temperature-control arrangement suited to the application

Recirculation design where required

Cascade or manifold design where multiple units are required

Gas Supply Requirements

Rinnai lists a maximum gas consumption of 250MJ/h for the HD32e.

That is a significant commercial gas load, so an existing gas supply should not automatically be considered suitable simply because another instantaneous water heater is already installed.

The gas installation needs to account for pipe diameter, equivalent pipe length, regulator and meter capacity, available pressure, gas type and other appliances that may operate at the same time.

Commercial gas capacity should be checked before installation. A physically simple appliance replacement can still require a gas upgrade if the existing service cannot supply the required appliance load correctly.

External Installation Only

The HD32e is specifically designed as an external commercial continuous-flow appliance.

The installation location must meet the current appliance-clearance requirements for nearby windows, doors, openings, building features and other services.

Service access is also important. The appliance should not be placed where future maintenance requires unreasonable removal of building components or other plant.

Where an indoor commercial installation is required, an appropriate internal commercial model should be assessed rather than adapting the HD32e to a location it was not designed for.

Commercial Temperature Control

Rinnai currently lists HD32e factory-default temperature versions at 50°C and 75°C.

The correct system temperature depends on how hot water is being used across the commercial property.

A commercial appliance operating at a higher temperature does not mean every fixture should receive water at that temperature. Depending on the application, downstream temperature-control measures may be required.

The appliance version and system design should therefore be matched to the intended commercial use before installation.

Recirculation & Long Commercial Pipe Runs

Larger commercial properties can have significant distances between the hot water plant and the final fixtures.

Where a recirculation loop is used, the complete system needs to account for return temperatures, circulation flow, pump selection, balancing and the operating behaviour of the continuous-flow appliances.

An existing recirculation loop should be assessed when replacing the hot-water plant rather than automatically reconnected without checking the new appliance arrangement.

Cascade & MECS Multi-Unit Control

Rinnai confirms the HD32e is compatible with both Cascade and MECS commercial control arrangements.

This allows multiple compatible continuous-flow units to be incorporated into larger commercial systems where one appliance cannot satisfy calculated peak demand.

A multi-unit installation also needs adequate gas capacity, correctly sized headers, suitable water flow, electrical supply, control wiring and practical service access.

The number of units should be based on the site's actual peak load and required redundancy rather than simply multiplying the nominal litres-per-minute rating.

JR HD32e Installation Pathways

JR's current live product page uses a tiered instant-gas installation structure so the installation scope can be matched more closely to the existing site.

Base — Exact Compliant Replacement

May suit an exact replacement of the same make, model or series where the existing external installation is already compliant and no alterations are required.

Silver / Gold — Plumbing Changes

Designed for replacement work where pipework, valves, removal or other standard installation items need broader scope than an exact replacement.

Sapphire to Platinum — Major Works

Broader live package pathways cover jobs requiring gas upgrades, electrical work, larger plumbing changes or relocation, depending on the selected scope.

Use the current live selector above as the final reference for package inclusions, installation timing, eligibility and pricing.

What Can an HD32e Installation Include?

Rinnai HD32e according to selected package

Licensed plumbing and gas-fitting work

Existing appliance removal where included

Mounting in a suitable external position

Connection to suitable cold-water service

Connection to suitable hot-water pipework

Connection to adequate gas supply

Valve and pipework changes according to package

Electrical work where included in selected scope

Gas and appliance commissioning

Operational testing

Basic handover

Final inclusions are determined by the live package selected and the actual conditions at the commercial site.

What May Require Additional Work?

Major gas-main or gas-pipe upgrades

Gas-meter or supply-authority changes

Extensive hot or cold water rerouting

Commercial recirculation redesign

Multi-unit manifold work outside selected scope

Complex building-control integration

Major electrical upgrades

Structural changes to mounting areas

Major system relocation outside package scope

Rectification of unrelated plumbing or gas defects

How Much Does Rinnai HD32e Installation Cost?

Current supplied-and-installed pricing is shown through JR's live product and installation selector above rather than being hardcoded into this description.

An exact compliant HD32e replacement can have a very different scope from an installation requiring gas-main upgrades, new valves, pipework alterations, electrical work or relocation.

Commercial sites requiring multiple appliances, recirculation or broader plant redesign should also be assessed around the complete system rather than the individual heater price alone.

BRISBANE INSTALLATION

Rinnai HD32e Installation Brisbane

JR Gas & Water installs suitable Rinnai HD32e commercial continuous-flow systems throughout Greater Brisbane.

Brisbane installations can range from replacement of an existing heavy-duty continuous-flow unit through to larger commercial projects requiring gas upgrades, recirculation, multiple appliances or revised hot-water pipework.

JR considers peak demand, gas capacity, water pressure, external mounting, pipework, controls and service access before finalising the installation scope.

JR also services Logan, Ipswich, Redlands and Moreton Bay, subject to current service-area and project availability.

GOLD COAST INSTALLATION

Rinnai HD32e Installation Gold Coast

JR Gas & Water provides suitable Rinnai HD32e commercial hot-water installation across eligible Gold Coast service areas.

Cafés, laundries, childcare facilities, accommodation properties, amenity blocks and industrial sites can have very different peak hot-water profiles even when their total daily usage looks similar.

The HD32e should therefore be selected around simultaneous demand, required temperature rise and available gas capacity rather than chosen from a nominal 32L model description alone.

Can the HD32e Replace My Existing Commercial Hot Water System?

Replacing Another HD32e

Generally the simplest pathway where the existing external location, gas, water, electrical supply and appliance clearances remain suitable.

Replacing Another Continuous-Flow Unit

Often possible, but gas capacity, pipe connections, physical dimensions and actual required output need to be checked before treating the job as like-for-like.

Replacing Commercial Storage

Possible on suitable sites, but changing from storage to continuous flow can substantially alter instantaneous gas demand, recirculation and hydraulic requirements.

Rinnai HD32e vs HDC32e

Feature	HD32e	HDC32e
Technology	Non-condensing	Condensing
Thermal Efficiency	83%	Approximately 97.6%
Maximum Output	59kW	55.6kW
Maximum Gas Rate	250MJ/h	209MJ/h
Flow at 25°C Rise	32L/min	32L/min
Condensate Drain	No normal condensing drain requirement	Required
Installation	External only	External HDC32e model
General Fit	High-output non-condensing commercial installation	Higher-efficiency condensing commercial installation

The HD32e provides slightly higher published maximum heating output, while the HDC32e uses less gas input for comparable commercial hot-water duty because of its condensing heat-recovery design.

Site gas capacity, efficiency priorities, condensate drainage and existing installation layout can therefore influence which model is the more appropriate fit.

HD32e Continuous Flow vs Commercial Storage Hot Water

HD32e Continuous Flow

Heats water when demand occurs and can be staged across multiple appliances where additional instantaneous capacity is required.

It avoids storing a large volume of hot water but requires sufficient instantaneous gas capacity.

Commercial Storage

Stores heated water ready for draw-off and can suit applications with strong short-duration peak demand where storage and recovery are appropriately sized.

Storage requires plant space and stored-temperature management but may suit sites where the fuel supply or demand pattern favours stored hot water.

COMMON QUESTIONS

Rinnai HD32e Installation FAQs

What is the Rinnai HD32e?

The HD32e is Rinnai's external heavy-duty non-condensing commercial continuous-flow gas hot-water system.

Is the HD32e a commercial water heater?

Yes. Rinnai positions the HD range as commercial-grade continuous-flow hot water equipment designed for heavier-duty applications than a typical domestic system.

Is the HD32e suitable for a normal home?

It is primarily a commercial model. Some specialised residential applications may justify commercial equipment, but standard homes will often be better matched to a residential continuous-flow model.

What is the maximum output?

Rinnai currently lists 59kW maximum output capacity for the HD32e.

What is the thermal efficiency?

Rinnai currently lists 83% thermal efficiency.

What is the energy rating?

The current Rinnai product information lists a 6.0-star energy rating.

What is the maximum gas rate?

The current manufacturer specification lists a maximum gas rate of 250MJ/h.

How much hot water can the HD32e deliver?

Rinnai lists approximately 32L/min at a 25°C temperature rise and a maximum published flow of approximately 37L/min.

What water pressure does the HD32e require?

Current Rinnai specifications list an operating range from 200kPa minimum to 1000kPa maximum water pressure.

Is the HD32e external only?

Yes. The HD32e is specifically designed for external installation.

Does the HD32e require a condensate drain?

The HD32e is the non-condensing model, so it does not have the normal condensate-drain requirement associated with Rinnai's HDC32e condensing appliance.

Can the HD32e run on Natural Gas?

Yes. Natural Gas versions are available.

Can the HD32e run on LPG?

Yes. Rinnai also offers LPG versions. The supplied appliance must match the required gas type and be commissioned accordingly.

Does it have anti-frost protection?

Yes. Rinnai lists anti-frost protection down to approximately -20°C, subject to the appliance remaining installed and powered in accordance with the manufacturer's requirements.

Can multiple HD32e units be connected together?

Yes. Rinnai confirms Cascade and MECS compatibility for suitable multi-unit commercial hot-water systems.

Does the HD32e have a status display?

Yes. Rinnai includes a built-in status operation monitor displaying set water temperature and system status.

What temperature versions are available?

Rinnai's current product specification lists 50°C and 75°C factory-default temperature versions.

Can the HD32e be used with water controllers?

Rinnai lists the HD32e among its compatible continuous-flow models for suitable water-controller applications.

Can the HD32e work with commercial recirculation?

It can form part of a correctly designed commercial recirculating system. The circulation pump, pipework, temperatures, controls and multi-unit arrangement need to be designed as a complete system.

Can the HD32e replace my current commercial gas heater?

Often, yes. Suitability depends on gas capacity, water pressure, required flow, pipework, appliance position, power and the existing commercial system design.

What if the existing gas line is too small?

JR's current instant-gas package structure includes broader installation pathways for jobs requiring gas upgrades. The required gas work should be confirmed from the actual site conditions.

What warranty does the HD32e have for commercial use?

Rinnai currently lists a five-year commercial heat-exchanger warranty and three-year commercial parts-and-labour warranty, subject to the current warranty terms and conditions.

Can JR install the HD32e in Brisbane?

Yes. JR provides suitable commercial gas hot-water installation throughout Greater Brisbane and surrounding eligible South East Queensland service areas.

Can JR install the HD32e on the Gold Coast?

Yes. JR provides suitable commercial hot-water installation across eligible Gold Coast service areas.

How much does Rinnai HD32e installation cost?

Current supplied-and-installed pricing is shown through JR's live product selector. Final scope depends on whether the installation is an exact replacement or requires plumbing, gas, electrical or relocation work.

Rinnai HD32e Warranty & Maintenance

5-Year Heat Exchanger Warranty

Rinnai currently lists five years of commercial heat-exchanger warranty coverage, subject to the current warranty terms.

3-Year Parts & Labour

Rinnai currently lists three years of commercial parts-and-labour coverage, subject to its applicable warranty conditions.

Maintain Service Access

Keep the appliance, valves, gas isolation, water services and controls accessible for inspection, servicing and future replacement.

Rinnai's manufacturer warranty is separate from JR's installation workmanship and support terms. Refer to the current JR installation package terms for workmanship coverage applying to the selected job.

Why Choose JR Gas & Water for Rinnai HD32e Installation?

LICENSED

Plumbing and gas-fitting work completed through appropriately licensed tradespeople.

SITE SIZING

Peak hot-water demand, gas capacity, water pressure and temperature rise considered before final system selection.

CLEAR SCOPE

Replacement, gas upgrade, pipework, controls and relocation requirements considered before the final installation pathway is confirmed.

SEQ

Brisbane, Gold Coast and surrounding South East Queensland service coverage.

Commercial continuous-flow hot water needs to be sized around the site rather than the model number alone. JR considers simultaneous demand, gas capacity, water pressure, system temperature, pipework, controls and future service access when planning the installation.

COMPARE YOUR OPTIONS

Compare Rinnai & Instant Gas Hot Water Systems

Compare the HD32e with JR's wider live Rinnai and instant-gas hot-water ranges if the site needs a different output, residential continuous flow, condensing commercial equipment or another hot-water configuration.

Instant Gas Hot Water Systems → Rinnai Hot Water Systems →

READY TO INSTALL

Install the Rinnai HD32e With JR Gas & Water

The Rinnai HD32e is a high-output non-condensing commercial continuous-flow system for sites needing dependable external gas hot water and the ability to scale into a multi-unit installation where required.

Before installation, confirm peak hot-water demand, required temperature rise, available gas capacity, water pressure, external mounting position, electrical supply, recirculation requirements and whether one appliance or a staged commercial system is required.

ZipPay – 6-Month Interest-Free on All Products

ZipPay allows you to buy now and pay later, offering flexible, interest-free payments for up to 6 months on all JR products. It’s easy to set up, and you can customize your repayment schedule to suit your budget. Payments can be made weekly, fortnightly, or monthly, with a $6 fee if the balance isn’t paid off by the due date.

Humm – Up to 12 Months Interest-Free

Humm provides interest-free payment plans on purchases up to $30,000, perfect for both small and large buys. For items over $2,000, you can spread payments over 12 months. Humm also offers flexibility in scheduling payments based on when you get paid

Afterpay – 8 Weeks, No Interest

With Afterpay, spread the cost of purchases across four equal installments, due every two weeks, over an 8-week period. There’s no interest, and as long as payments are made on time, there are no fees. Perfect for purchases between $100 and $1,500

Plenti Finance – For Reclaim Systems Only

Plenti Finance is available exclusively for Reclaim Energy systems. This option offers tailored repayment terms with competitive interest rates, helping make eco-friendly choices more affordable. For more detailed information on Plenti’s terms and eligibility for Reclaim systems, visit the Reclaim Energy finance page

If you're in Queensland and considering a new electric hot water system, JR Gas & Water is the company to choose. Here's why:

Experience and Expertise: JR Gas & Water has over 10 years of experience in the gas and plumbing industry. Their team of licensed and insured professionals is highly skilled and knowledgeable about all aspects of electric hot water system installation, maintenance, and repair. They can provide expert advice on the best system for your needs and ensure a smooth installation process.

Quality Products: JR Gas & Water uses only high-quality products from trusted brands to ensure your electric hot water system is reliable and efficient. They also offer a range of options to suit different budgets and requirements.

Competitive Pricing: JR Gas & Water offers competitive pricing for their electric hot water systems, ensuring that you get a great value for your investment. They also provide a detailed quote upfront, so there are no surprises or hidden costs.

Customer Service: JR Gas & Water is committed to providing excellent customer service. They are always available to answer any questions or concerns you may have and are committed to ensuring your satisfaction.

Local Business: JR Gas & Water is a locally owned and operated business in Queensland. By choosing them for your electric hot water installation, you are supporting a local business and contributing to the local economy.

Warranty and Guarantee: JR Gas & Water provides a warranty and guarantee on all their products and services, giving you peace of mind knowing that your system is covered in case of any issues.

Energy Efficiency: Electric hot water systems can be energy efficient, and JR Gas & Water can help you choose the right system for your needs. They can provide advice on energy-saving features and options, such as timers and thermostats, to help you save on your energy bills.

Safety: JR Gas & Water is committed to safety and ensuring that all installations are done to the highest safety standards. They are also familiar with local safety regulations and requirements, ensuring that your electric hot water system is installed safely and in compliance with all relevant codes.

JR Gas & Water is a reliable and experienced choice for your electric hot water system installation in Queensland. With a commitment to quality products, competitive pricing, excellent customer service, and safety, they can help you make the switch to a more efficient and cost-effective solution for your hot water needs. Contact them today to learn more about their services and how they can help you.