Gas water heaters. Make sure it is tight. Draining the tank is a job in itself. If your unit isn't producing any hot water, it could be a number of things. Then there is the 'why spend that much on an old water heater' pitch. You want to put some pipe joint compound or Teflon tape on the threaded portion of the pipe that goes to the hot water heater. What Can You Save? 75. You can easily test for leaks around the valve using soapy water and a spray bottle. Make sure the connections are tight. There are not a lot of options if the gas valve is bad. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. I just installed a new AO Smith gas water heater control valve. Water By-Pass Control Fault. Make sure that the pilot control valve of the heater is turned off before you start repairing. Home | Electric Water Heaters | Gas Water Heaters | Toilets | Drywall Patching | Basic House Wiring | Fixing Doors | Fixing Pocket Doors | Support. These repairs require a Skill Level of: Determined Handyman. The next step in troubleshooting should be to test the thermocouple. Ambitious? There should not be a flame-up there if the valve is working correctly. Unfortunately that didn’t fix the issue but it sure was shiny. (4) Use the proper size open end wrench or an adjustable wrench to remove the supply line to the main burner. Before you start any kind of troubleshooting you should make sure the power to the heater is turned off. Loud howling sound after install of new gas water heater control valve. gas water heater to a natural gas supply. Turning the water heater gas valve to off is not the place to do this. Always refer to the user manual for troubleshooting tips, it can solve the problem more often than not. Another thing you should check is the 'Gas Water Heater Thermocouple', this is the more likely candidate for issues with your gas valve. 4 – Replace Gas Valve If the temperature has exceeded the limit the gas valve will need to be replaced. Is it working now? You may find that getting an exact match to the one you have difficult. I need to replace a inlet valve and it's rusted can I do this myself? We hope you will keep coming back to this website whenever you need help with something that is broken in your home. We welcome your comments and Anytime a gas appliance gives you trouble, it's best to diagnose and correct the situation immediately. Connect one end of a garden hose to the drain valve and place the other end outside or in the sink to drain. • Ins tall a shut-off valve on the gas supply line. Make sure you rule out simpler repairs first. Here is some basic information to help you pin down the cause of the problem you are experiencing. The cold inlet or hot outlet pipes may be loose, the T&P valve may have failed, or inlet valve may be leaking. This might be a good time to flush the tank. Questions of a Do It Yourself nature should be You will want this information later. free! If the damage is major, it will not be possible to re-calibrate and a new gas valve (Unitrol) will be required. Gas HCG Series Polaris® BCG3 Series Ultra Low NOx BCL3 Light Duty CG32 (75-100) Light Duty CG32 (55) Low NOx BCG3 BBCN3 Ultra Low NOx Common Vent Kit Electric Website operating Before replacing the PC board or gas valve continue troubleshooting the steps below. Make sure the tank has finished draining. Shop by Popular Models. Loosen the union using two pipe wrenches. Natural Gas Can Explode! Open the a hot water faucet nearby and let it run until all of the air is bled out of the tank. The thermostat is part of the gas valve. A draft coming off the main vent can blow it out. You likely have only 3/4" of space to work in. The 'Off' position on the gas valve dial only means that it will not heat the water. Turn the shut off valve on the gas line to the on position (parallel with the gas line). The gas valve will not work properly when the thermocouple is defective. There’s no need to suffer through another cold shower when you have Repair Clinic’s help. My pilot light will not light at all. A leaky gas valve is not only a pain, it can be dangerous. Combination thermostat/gas valve set too low for desired water temperature. The high end is brand named part vs. an after market replacement. Remember, no repair project is worth getting hurt over. It should be set at the factory for 120 degrees. However, it may be attached to the side of it via a bracket. You will need to use a pipe joint compound on the gas line fittings that is rated for natural gas or one that is approved by your local building codes. Flush out the water heater's tank if you are not getting enough hot water or there is a strange smell. (5) The igniter if you have one is not really a component of the gas valve. Before you start any kind of troubleshooting you should make sure the power to the heater is turned off. If you are using an electric water heater, you need to shut off the power to the unit by flipping the breaker at the service panel. We stock genuine manufacturer water heater parts from the biggest names in heating and cooling: Carrier, AO Smith, Bradford White, Bryant, Coleman, and more. Make sure the one you get has the same shank length. • Do not connect a na tural gas water heater to an L.P. gas supply. Locate the hot surface igniter and look for a spark or glow there. The reccommended temperature is 120 degrees. Hot Water Heater Gas Valve. (3) Next use an open end wrench or an adjustable wrench to remove the supply line for the pilot light. Replacing is is generally the only option. submitted to our "DoItYourself.com Community Forums". If you believe you have a leak near the top of your electric water heater, it could be one of a few things. Set the thermostat or the device's controller slightly above the current room temperature. 1. Pilot lighting procedures differ slightly for valve to valve. Why not take a breather before you get into another project. These fittings should not need any pipe dope or Teflon tape. WARNING!! If you aren't comfortable working with gas, a professional should be contacted to correct the situation for you. - You are dealing with natural gas. Then removing the lines into the gas valve. Check all wiring connections. Total time: 2hrs Difficulty: Beginner Cost: $60. damaged flame rod, bad PC board, gas valve or low inlet gas pressures. ECS40100 FPCR50260E GCNH30100 GCNH50100 GCV30 GCV40. Gas valves can be found on gas furnaces, gas fired steam boilers or hot water boilers, and gas-fired water heaters. Pilot is lit you can try searching for that model number on the gas line you... 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