Expert Water Heater Fault Finding, Repairs, and Servicing

Feb 16, 2024

Facing issues with your water heater? Effective water heater fault finding, repairs, and servicing are key to maintaining a reliable hot water supply. This guide will help troubleshoot common issues, provide repair advice, and highlight when to seek professional servicing for your water heater.

Common Water Heater Issues

1. Insufficient Hot Water

Possible Causes:

Water heater capacity is too small for household demand
Thermostat settings are too low
Sediment buildup reducing heating efficiency
Malfunctioning heating element (for electric water heaters)
Gas supply issues (for gas water heaters)

Quick Fix:

Adjust the thermostat to a higher temperature
Flush the tank to remove sediment
Check the heating element or gas supply

2. Fluctuating Temperature

Possible Causes:

Faulty temperature regulator
Malfunctioning thermostat
Mineral deposits insulating heating elements
Mixing valve issues

Quick Fix:

Adjust or reset the thermostat
Check and replace mixing valves if needed
Flush the heater to remove mineral deposits

3. Leaks

Possible Causes:

Corrosion of the tank
Loose or worn-out pipe connections
Malfunctioning temperature and pressure relief valve (TPR valve)

Quick Fix:

Tighten loose connections
Replace faulty TPR valve
If the tank is corroded, replacement is the only option

4. Strange Noises

Possible Causes:

Sediment buildup causing popping or rumbling sounds
High water pressure causing knocking sounds (water hammer)
Loose heating elements vibrating

Quick Fix:

Flush the tank to remove sediment
Install a water hammer arrestor if needed
Tighten loose heating elements

DIY Troubleshooting Tips

1. Checking the Power Supply

Ensure the circuit breaker is on and not tripped
Use a non-contact voltage detector to check for power
Inspect power cables for signs of damage

2. Resetting the Thermostat

Turn off power to the heater
Locate the reset button on the thermostat and press it until you hear a click
Turn the power back on and check if the issue is resolved

3. Inspecting for Leaks and Drips

Check for visible leaks around connections and the tank
Look for corrosion or mineral buildup indicating slow leaks
Tighten loose pipe fittings and replace faulty valves

Professional Water Heater Repair Services

Benefits of Hiring a Professional

Ensures repairs meet safety standards and building codes
Proper diagnosis and repairs prevent costly future damage
Guarantees optimal efficiency and longevity of the system

Choosing the Right Service Provider

Verify licensing and insurance
Read customer reviews and check company reputation
Ensure the provider offers warranties on their work

Preventative Maintenance Tips

1. Annual Inspections

Schedule professional inspections to catch minor issues early
Check thermostat accuracy and overall system performance

2. Draining and Flushing

Flush the tank annually to remove sediment buildup
Use a drain hose and flush with cold water until clear

3. Replacing the Anode Rod

Check the anode rod every 3-4 years
Replace if more than 6 inches of the steel core is exposed

When to Upgrade Your Water Heater

1. Age of the System

Most water heaters last 7–15 years
If nearing end-of-life, consider upgrading to an energy-efficient model

2. Frequent Repairs

If repairs are frequent and costly, replacement may be more economical
Upgrading to a newer model can save on long-term energy costs

3. Energy Efficiency

Consider switching to a high-efficiency gas or electric unit
Heat pump or solar water heaters can further reduce energy bills

Final Thoughts

Regular maintenance and timely repairs ensure your water heater runs efficiently. While some minor issues can be fixed with DIY troubleshooting, hiring a professional for major problems is recommended. If your unit is old or requires frequent repairs, upgrading to a modern, energy-efficient system can save money in the long run.

For expert repairs and installation services, contact JR Gas & Water today!