Gas Hot Water Heater Thermostat Troubleshooting

Common problems and how to fix them.

Gas hot water heater thermostat troubleshooting.

This gas valve is commonly used on ao smith state whirlpool and rheem water heaters. How to diagnose and repair a faulty atmospherically vented gas fired water heater. Before checking any electrical parts of a water heater shut off the power to the heater s circuit by turning off the appropriate breaker in your home s service panel breaker box. Didn t know you could adjust the thermostat on your water heater.

Read on for some helpful tips on troubleshooting some common problems in gas water heaters. Hello i have a jacuzzi tub in an upstairs bathroom far from the hot water heater. Then this is good news for you. You can test them with the power off using an ohmmeter to measure resistance or with the power on using a voltmeter to measure voltage.

1 flash normal operation 2 flashs thermopile low voltage 4 flashes temperature exceeded 5 flashes sensor failure. Electric water heaters are high voltage 240 volt appliances that are dangerous to work with when the power is on. Gas water heaters are a better option than electric water heaters primarily because of their reduced usage cost. Adjusting the temperature isn t difficult especially if you have a water heater with a dial thermostat.

Scalds and burns are possible. The led indicator helps you troubleshoot the issue by reporting a number of flashes. This is an obvious reason for using the thermostat on your gas hot water heater. The thermostat is part of the gas valve.

No flash pilot not lit not enough power. Go to gas hot water heater thermostats for a discussion. Though gas water heaters are generally dependable they may develop some problems over time. If the hot water heater is not working one of the thermostats may be bad.

First check your thermostat settings. I only have enough room for a 4 gallon heater with a 1 2 inlet and outlet. This gas hot water heater troubleshooting exercise starts with the thermostat. The problems such as leaking smelly water noise corrosion and other similar to the problems found in electric units are described in this repair guide.

See venting a gas water heater for information on keeping your vent clear. Electric water heaters have one or two elements and each is controlled by a thermostat. Generally the ideal temperature for hot water heaters is 120 degrees fahrenheit. I am going to run 3 4 pex tubing from a tee in the hot water line in the basement up to an auxilliary hot water heater in the bathroom where the jacuzzi is.

A defective thermostat is also possible. Troubleshooting gas water heater thermostats adjusting the hot water temperature. A clogged flue or vent could be the problem.