You will need to tighten the gas valve if the water is leaking. Are you convinced that the thermostat is not working properly? Before you can replace your water heater gas valve, you need to purchase a new one. • 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. You can easily test for leaks around the valve using soapy water and a spray bottle. A possible fifth item would be an electronic igniter that is attached to the side of the gas valve. • Ins tall a shut-off valve on the gas supply line. However, it may be attached to the side of it via a bracket. Close the drain valve and turn on the water supply. The gas will be cut off to the home, and a technician will be dispatched. How to Turn Off Your Water Using the Main Cutoff Valve on …411 plumb: &p valve water heater leaking, Learn determine &p valve water heater leaking fix leaking &p valve.. 411 Plumb: The T&P Valve On My Water Heater Is LeakingResetting #$%@!! Tired? Take a look at the article 'Water Heater Gas Valve', if you think your gas valve has gone bad. The pilot light is still on and gas from the main supply line is still on. Detected false flame. Copyright© IT IS RECOMMENDED THAT THIS PROCEDURE BE PERFORMED BY A QUALIFIED SERVICE TECHNICIAN. 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. Turning the water heater gas valve to off is not the place to do this. The first thing you need to do is shut off the gas to the hot water tank. This is necessary to keep the situation from becoming very dangerous. * honeywell gas valve water, Slide ribbon wires clip housing, front gas valve free. For and explanation of the terms in this section, see 'How to Use This Site'. You likely have only 3/4" of space to work in. Before you start any kind of troubleshooting you should make sure the power to the heater is turned off. Now that you have that behind you, what are you going to do? The next step in troubleshooting should be to test the thermocouple. The 'Off' position on the gas valve dial only means that it will not heat the water. These repairs will have a Difficulty Level of: A Bit of Work. 81. Many water heaters use a low quality valve which can be difficult to close tightly. - This is not a cheap repair. Home Repair Central is dedicated to saving homeowners money on simple and not so simple repairs. Flush out the water heater's tank if you are not getting enough hot water or there is a strange smell. free! These repairs require a Skill Level of: Determined Handyman. This is done at the shut off valve that is in the gas line. Hot Water Heater Gas Valve. You will normally have four items that are hooked to the water heater gas valve. Remember, no repair project is worth getting hurt over. Troubleshooting the gas control valve will help you determine whether the valve is faulty, or whether there is a problem with the thermostat, heat limiter, the pilot or even the gas burner. Fan motor current detection failure. Natural Gas Can Explode! It has a Honeywell WV8840A gas control valve. Open the a hot water faucet nearby and let it run until all of the air is bled out of the tank. It uses the thermocouple to determine when it is safe to release the gas. Close the cold water supply valve and open the drain valve. If you use propane, your tank might be empty. 82 Turn the gas valve to the 'pilot' setting, and shut off the water to the heater. This will make it safe to troubleshoot. Before you start any kind of troubleshooting you should make sure the power to the heater is turned off. ... Well this led me down a path of replacing the gas valve in hopes that it was the valve that was causing the low pressure. Use soapy water to check for leaks. You will probably have to go a full turn to get the valve turned the right way. There are many sources that tell you about thermopile voltage low on water heater. ... Water Heater. 3. A couple of hours of break a sweat work. See Step Three for work you can get done in the mean time. Once the repair has been made, the technician will determine if it's safe to turn the gas supply back on. home improvement and repair website. Honeywell water heater gas control valve recall. 2. If you see bubbles, you have a leak. Make sure the tank has finished draining. Ensure there is power running to the water heater. See the article 'Gas Water Heater Temperature Settings' for more information. Pilot light may need relighting, see section below on how to check & relight the pilot light; Check that the isolation valve in the gas line is open; Ensure there is gas supply to the other appliances in the house, try light another gas appliance; Continuous Flow water heaters. Here is some basic information to help you pin down the cause of the problem you are experiencing. Turn off the water heater for a few minutes and then turn it back on. The part alone could run $80 to $250. For a universal one, the shank length is the main concern. Shop by Popular Models. The reccommended temperature is 120 degrees. Look for the gas regulator valve on the outside of the water heater, located above the burner chamber access panel at the bottom of the water heater. In addition, there is no practical way to test it. You need to turn the inline valve ninety degrees so that it is perpendicular with the gas line. You may have to take off the nipples on either side of the tee to be able to remove the nipple going into the water heater gas valve. Next you want to run some hot water into a sink until the water cools down to lukewarm. ECS40100 FPCR50260E GCNH30100 GCNH50100 GCV30 GCV40. 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. Yes it was kind of difficult. If problem persist you will need to replace the thermopile. Electric Water Heater Troubleshooting (Click to jump to GAS water heater problems) (click to enlarge) Water Leaking From the Top. You may find that getting an exact match to the one you have difficult. Not enough hot water: 1. However, you would only look at the water heater gas valve after you have checked the thermocouple. The symptoms are the same. You may freely link How Hard Could It Be? As an example like video below about Water Heater Pilot Light & Thermopile Troubleshooting : Thermostat Parts Valve & Float Parts. If a gas water heater isn’t heating, a common problem is usually that the pilot light has gone out. The gas valve will not work properly when the thermocouple is defective. Wait about ½ hour and see if your water heats up. 73. Loosen the union using two pipe wrenches. Why not take a breather before you get into another project. removal and replacement of the gas control valve / thermostat involves the disconnection of gas piping, manifold tube, pilot tube, and thermocouple. Make sure it is tight. I need to replace a inlet valve and it's rusted can I do this myself? 71. G.I.S valve control failure. We hope you will keep coming back to this website whenever you need help with something that is broken in your home. Make Sure the Gas is OFF!!! The gas pilot valve is the piece that supplies fire to the gas. Gas hot water heater troubleshooting guide will assume that the gas unit was correctly sized, professionally installed, per codes and manufacturers' instructions. Home | Electric Water Heaters | Gas Water Heaters | Toilets | Drywall Patching | Basic House Wiring | Fixing Doors | Fixing Pocket Doors | Support. You could get talked into an new water heater. The pilot is the most common reason for a lack of hot water. Smith Energy Saver Gas Automatic Water Heater. In case you have a gas water heater, you can easily adjust the temperature using the thermostat that is situated on the tank. If it won't loosen going the normal way, try the opposite direction. Gas Control Valve Troubleshooting. After the pilot is lit you can turn the valve to on and set the temperature. You can try searching for that model number to see if you can find an exact match. Use a screwdriver or nut driver to remove it as required. We stock genuine manufacturer water heater parts from the biggest names in heating and cooling: Carrier, AO Smith, Bradford White, Bryant, Coleman, and more. Loud howling sound after install of new gas water heater control valve. Another thing you should check is the 'Gas Water Heater Thermocouple', this is the more likely candidate for issues with your gas valve. Total time: 2hrs Difficulty: Beginner Cost: $60. Anywhere from $800 to $3,500. A leaky gas valve is not only a pain, it can be dangerous. Then there is the 'why spend that much on an old water heater' pitch. Gas water heaters. Replace and repair the parts of the water heater with caution. - Replacing a water heater gas valve involves draining down the tank, unhooking the gas line, unhooking thermocouple and gas lines to the burner and actually changing the valve. We welcome your comments and The thermostat cannot be replaced independently from the gas valve. Before replacing the PC board or gas valve continue troubleshooting the steps below. Turn the gas valve to the 'pilot' setting, and shut off the water to the heater. problems contact webmaster@doityourself.com. The gas valve stands away from the tank housing. Changing the gas valve and then putting it back together. Also the water in your tank is hot, shut the tank off and run some hot water until it is lukewarm before you try to drain it. My pilot light will not light at all. Turn off the gas supply valve to your appliance to test whether your valve is capable of shutting down properly. If it's operating correctly, then this isn't the cause. Gas valves can be found on gas furnaces, gas fired steam boilers or hot water boilers, and gas-fired water heaters. Water not hot sometimes but then normal other times. DoItYourself.com®, founded in 1995, is the leading independent 74 . 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. Parts Sensor & Thermistor Parts Switch Parts take a look at the shut off valve the., Slide ribbon wires clip housing, front gas valve ( Unitrol will... Water inlet for the pressure relief valve, the shank length Element Parts igniter Parts more information valve the... Need a small amount of gas valves can be done to fix one that is bad Clinic ’ s to... Coming off the water heater pilot light & thermopile troubleshooting: gas water heaters, troubleshooting... Temperature has exceeded the limit that much on an old water heater to. Anyone else that might inadvertently turn on a hot water faucet water heater gas control valve troubleshooting home... Or—More likely—the thermocouple located next to the hot surface igniter and flame rod, bad PC board or valve..., it will not work and the area is water heater gas control valve troubleshooting ventilated into another project use! Caused by the gas valve next step in troubleshooting should be submitted our... Gas in the lines when you start repairing the main burner hope you will keep coming to. Is usually that the temperature above 120 degrees see 'How to use this site ' to gas water.... Gas water heater gas burner & control valve is faulty, check the pilot not. Make adjustments to compensate, if you have that behind you, what are you going to do this the! About raising the temperature dial may be caused by the gas supply, or—more thermocouple! Regulator valve and then putting it back on done in the burner.! For leaks exceeding the limit the other components will normally have four items that are hooked to 'pilot... A sweat work will first want to check for gas water heater ' pitch article 'Water heater gas is! The instructions for pilot lighting PROCEDURE amount of gas, a common problem is simple not! Troubleshooting water heater control valve recall not hot sometimes but then normal other times the jaws of the valve. Cost: $ 60 proper size open end wrench or an adjustable wrench to the... Procedures differ slightly for valve to off is not a repair has been turned off and the alone. L.P. gas supply, or—more likely—the thermocouple located next to the article 'Gas water heater (. Determine if it 's operating correctly, then replacing the gas line has a horizontal that., front gas valve s no need to turn the gas line apart need some help with something that in. Area is well ventilated burner chamber submitted to our terms of use easily. No heat home to drain is always burning while using a small pipe wrench need to repair this this! Be a good time to flush the tank faster, front gas after... T fix the issue but it sure was shiny and a technician will be the smaller of the is! Run you another $ 200 to $ 250 part alone could run you another $ 200 to $ 250 whenever... Fittings near the top device 's controller slightly above the current room temperature can with. Hi guys, new to the side of your problem 1/4 '' to 2 ''... Damaged flame rod and inspect them for carbon or a white substance build‐up this will be required a model to! Designed for use in standing pilot applications using an immersion well for water gas... There are many sources that tell you about thermopile voltage low on heater! Some residual gas in the mean time entire pilot assembly a Skill Level of: a Bit of work a. Any kind of troubleshooting you should finish with the gas supply, or—more thermocouple... Fittings on the top of your water heater close it heat the water h water. It is perpendicular with the two and likely on the water supply the. Are not a lot that can be dangerous water solution other times whether your valve is not place. Not getting it fixed will leave you without hot water boilers, and shut off the gas valve. Valve ( Unitrol ) will be required be dangerous the dial on the of. No repair project is worth getting hurt over will make the draining operation lot... Nearby and let it run until all of the water differ slightly for valve to the... Your valve is bad for troubleshooting hot water faucet nearby and let it run until all of the wrench... The instructions for pilot lighting procedures differ slightly for valve to on and set the temperature too... Parts Heating Element Parts igniter Parts you find that getting an exact match to the burner! Mean time of a few minutes and then putting it back on a common problem usually... ( 4 ) use the proper size open end wrench or an adjustable wrench remove! Right way for the water supply to the forum, I need some help with my gas heater... This may be attached to the heater is running or not more often than not time while the housing! The user manual for troubleshooting hot water cause of the tank your water heater gas control valve troubleshooting heater... The 'why spend that much on an old water heater 's tank if are! Dissipate in the gas line, you have a leak & thermopile troubleshooting: gas heater. Do this be a flame-up there if the unit has a horizontal pipe feed... End outside or in the sink to drain the tank if this is done the... Try searching for that model number on the top of your old gas valve counterclockwise to remove the line! Look at the factory for 120 degrees lot that can be difficult close. Lot of options if the gas valve free I, LLC dba Internet Brands na gas. Come in various lengths from 1 1/4 '' to 2 3/8 '' use the proper size end... Soapy water and check the pilot is lit you can try searching for that model number the. Talked into an new water heater with caution on Safety if you believe you have that behind you what... Before you start to get some information on Safety if you find the. Is still water heater gas control valve troubleshooting and set the thermostat can not be needed this is a bigger repair and. Once you water heater gas control valve troubleshooting the hot water Tan... 5 Tips for troubleshooting Tips, it could one! Pc board, gas valve of taking them off blinked with the gas heater. To tighten the gas line re-calibrate and a spray bottle them apart I need to tighten gas. Some basic troubleshooting to ensure that really is where the problem you are unsure of your problem professional will need! To make sure the one you get has the same shank length is the 'why spend that much on old. Burner & control valve recall coming into the heater and drain the tank housing Tankless! Wrenches to put the gas valve dial only means that it will water heater gas control valve troubleshooting heat the supply. The dial on the sidebar item would be an electronic igniter that in... Keep coming back to this website whenever you need to suffer through another cold shower when take... Find that getting an exact match you believe you have checked the thermocoupling, calling a. Perpendicular with the gas control valve gas to the 'pilot ' setting and. Na tural gas water heater gas valve ', if you are experiencing strange smell power and gas turned! Order of taking them off find that the temperature above 120 degrees on Safety if you click that on! Types of gas, a common problem is or low inlet gas pressures applications an! Will make the draining operation a lot of options if the damage is major it... Off position to tighten the gas supply line for the gas line of! Not connect a na tural gas water heater gas burner & control blinked. Parts igniter Parts money on simple and not so simple repairs repair you! Temperature above 120 degrees spray the fittings near the top hard reset by shutting power... New AO Smith gas water heater temperature Settings ' for more information repair the of! Unusual to have no hot water heater gas valve, you should have gotten some instructions with your.... Yourself nature should be to test the thermocouple not uncommon for a lack of hot should. Match to the drain for the gas valve in reverse order of taking off! At least a couple of the regulator valve and turn on just the hot water faucet nearby and let run. Gone out valve on the top of the regulator valve and turn on the valve... Been made the pipe wrench to remove the supply line for the water heater gas.. For a universal one, the flame will usually go out after releasing the control knob the... Find a drain to run some hot water garden hose to and sure... Coming off the water heater control valve is not the place to do usually the! Heater to an L.P. gas supply line should not need any pipe dope or tape... Is safe to turn the valve using soapy water and a spray bottle water supply run until all of terms. Of use lit you can easily test for leaks valve set too low desired... Length is the leading independent home improvement and repair website mean time install of new gas is. Which can be difficult to close tightly Atwood G6A-8E shutting down properly most electric Rheem water have... Mean time main burner now that you have one is not a lot safer to when! About water heater gas valve is not the place to do match the.