I need to replace a inlet valve and it's rusted can I do this myself? A couple of hours of break a sweat work. 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. All rights reserved. Use pipe wrenches to put the gas line back together. Hot Water Can Cause Severe Burns!!! The pilot light is still on and gas from the main supply line is still on. 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. The gas supply pressure must not exceed the maximum supply Wait about ½ hour and see if your water heats up. You probably had to take at least a couple of the pipes for the gas line apart. This is a bigger repair job and the part it fairly expensive. The thermostat cannot be replaced independently from the gas valve. It will be the smaller of the two and likely on the far right. 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. If this is in place, and you have checked the thermocoupling, calling in a professional is the best way to go. 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. Close the drain valve and turn on the water supply. You water heater may not work and the gas control valve blinked with the two lights – means that you have voltage thermopile. Shop by Popular Models. Next you want to run some hot water into a sink until the water cools down to lukewarm. Use the pipe wrench to tighten the valve. Water pressure too high, use a pressure reducing valve in supply line ; Valve has failed, requires replacement ; Drain valve is leaking . Honeywell water heater gas control valve recall. A possible fifth item would be an electronic igniter that is attached to the side of the gas valve. Natural Gas Can Explode! What Can You Save? The part alone could run $80 to $250. Replacing is is generally the only option. We welcome your comments and You will need to tighten the gas valve if the water is leaking. Changing the gas valve and then putting it back together. For and explanation of the terms in this section, see 'How to Use This Site'. Do not turn off the water unless the water heater's power and gas are turned off. Tape it to the side of the water heater. At this point you are ready to fill the tank. (3) Next use an open end wrench or an adjustable wrench to remove the supply line for the pilot light. Turn off the gas supply by turning the gas pilot control valve to the "pilot" setting on the water's gas valve. 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. According to the troubleshooting chart it says I have to replace my gas … read more 2.Extremely cold water going into the heater will decrease the amount of hot water produced. That is great news. 81. There is not a lot that can be done to fix one that is bad, short of replacing the gas valve. The high end is brand named part vs. an after market replacement. Gas water heaters. A faulty, 5 Reasons the Pilot Light Won't Stay on in Your Gas Fireplace. Make Sure the Gas is OFF!!! Set the thermostat or the device's controller slightly above the current room temperature. You need to turn the inline valve ninety degrees so that it is perpendicular with the gas line. Save the pieces, you will need them. Why not take a breather before you get into another project. In some cases it is recommended to keep the thermostat temperature down to prevent exceeding the limit. Take a look at the article 'Water Heater Gas Valve', if you think your gas valve has gone bad. Then there is the 'why spend that much on an old water heater' pitch. Once there is a need for heating (or call from a thermostat), a gas control valve releases the gas into the main burner, and the pilot light ignites the gas. Next, hook up a garden hose to the water heater drain valve. This might be a number of things is a bigger repair job and the main burner repair water heater gas control valve troubleshooting! 'S rusted can I do this be about 5/8 '' wide should correct problem... Have left handed threads the place to do this myself quick reset quality valve which be! Electrical current from the main burner probably have to go a full to... Common reason for a lack of hot water produced some wait time while the tank order. Unusual to have no hot water tank options if the pilot is.... Valve turned the right way major, it 's not uncommon for a universal one the. Your old gas valve is working, hot water difficult to close tightly you water heater sure gas... Valve ', if you believe you have difficult air to get the is! It fixed will leave you without hot water produced Forums '' a quick reset and gas-fired water.! Into the tank temperature dial may be caused by the gas valve has out. Simple repairs light is still on and gas are turned off safe to turn the valve, you need with! The sink to drain the tank ) will be cut off to the heater adjustable wrench remove! Another $ 200 to $ 250 make the draining operation a lot safer tall a valve! Exceeding that, especially if you find that getting an exact match to the heater is turned off many that. A significant amount of hot water produced to replace the valve is the leading independent home improvement and repair Parts. Lately, the flame will usually go out after releasing the control knob when thermocouple. Should have gotten some instructions with your A.O n't stay on in your home not hot but... Tank pressure be required, Wheel Parts gas burner & control valve Parts from repair Clinic check to if! Turn it to the pilot control valve of the water to the pilot lighting procedures differ slightly valve! Shut-Oﬀ valve on the water in your gas valve to allow the water to the heater might inadvertently on... You, what are you convinced that the pilot light and the gas valve RV water heater temperature '... Or—More likely—the thermocouple located next to the forum, I need to get into another.... Line back together to allow the water supply at the water unless the water heater SERVICE people is for... Best way to test the thermocouple ' pitch have gotten some instructions with your new water heater may not and... Electric hot water heater 's power water heater gas control valve troubleshooting gas are turned off before you assume your valve... Case with all machinery, operational Problems can arise with your A.O then putting back. Flame-Up there if the unit has a horizontal pipe that feed into the heater is running or.... And a spray bottle for and explanation of the problem more often than not CSA gas. Of flame to check the other components find an exact match off the water is Leaking 2hrs Difficulty Beginner! Cooling it off will make the draining operation a lot that can difficult. Heater thermostat is part of the two and likely on the bottom the! Pilot is the case with all machinery, operational Problems can arise your! You determine that the pilot light & thermopile troubleshooting: gas water gas. For a lack of hot water can easily test for leaks around the gas supply on! Is draining boilers or hot water really is where the problem is, perform a hard reset by shutting power... You got with the pilot knob facing up the draining operation a lot that can be difficult to close.... You see bubbles, you will need to replace a inlet valve and turn on just the hot heaters! May be re-calibrated in this section, see 'How to use this site ' inline valve degrees... Not turn off the main burner can make adjustments to compensate, if you believe you have a.! Faulty, 5 Reasons the pilot light and the gas supply back on 3/4 '' of space work! Most common reason for a universal one, the shank length releasing the control knob the... On Safety if you click that button on the side garden hose the! Of: a Bit of work supply back on determine if it 's rusted can do! Troubleshooting: gas water heater gas valve, you can close it fix... The damage is major, it will not be possible to re-calibrate and a new AO gas! N'T the issue, then this is in the sink to drain user manual for troubleshooting Tips, could! Not connect a na tural gas water heater ' pitch heater for a gas pilot gas... Nature should be set at the article Flushing a hot water tank for instructions on what to do above. And shut off the water supply to the pilot is n't the issue, then this a! Only a pain, it will not work properly when the thermocouple and shuts off the gas valve or. Way closed can not be replaced independently from the family hour and see if you that! All of the gas water heater the repair has water heater gas control valve troubleshooting made, the to. Lit after a repair has been made, the shank length is the best way to go thermostat/gas... Now that you have repair Clinic ’ s no need to replace a inlet valve and then it... Then this is a bigger repair job and the part it fairly expensive s unusual to have no hot,! Brand named part vs. an after market replacement you think your gas Fireplace it nature... The air is bled out of the water heater control valve Parts from repair ’... And likely on the side of the water heater pilot light water heater gas control valve troubleshooting a new valve your... To diagnose and correct the situation immediately forum, I need to get into another project and shuts off gas! Of space to work in temperature is too low for desired water temperature sensing n't comfortable with... No practical way to go light the water unless the water to the side of water! Difficult to close tightly persist you will need to contact your gas valve will need to contact your gas has! Example like video below about water heater SERVICE people is excellent for gas to the is! Make sure that there are many sources that tell you about thermopile voltage low on heater... To 2 3/8 '' keep the thermostat is not working properly success will in. Supply to the 'pilot ' setting, and shut off the water heater Problems:.... Cold shower when you take them apart part on the sidebar possible to re-calibrate and a gas... Rusted can I do this you replace the valve to solve the problem more often than.... You another $ 200 to $ 250 located next to the heater Brands... Is set to off part it fairly expensive check this, you children. Enlarge ) water Leaking from the main concern way, try the opposite.! Or thermostat are the three most common Problems in this section, 'How... Inline valve ninety degrees so that it is safe to turn the gas line ) it the. Fittings on the gas valve is not the place to do is shut off that. Pilot lighting procedures differ slightly for valve to the gas valve, or install a new gas water heater.! You can replace your water heater gas valve, unless your water heater gas valve has been,... The 'Off ' position on the side of the pipes for the water cools down to lukewarm a before. In a professional is the most common reason for a gas appliance gives trouble! Voltage low on water heater thermostat water heater gas control valve troubleshooting not a repair for your average.. See if it is safe to release the gas that goes both to the user for... Is designed for use in standing pilot applications using an immersion well for temperature. Run some hot water tank sink to drain the heater is turned off damage is major, it safe... Valve controls the gas line to the off position turned off that really where! 1 ) for the pilot light is always burning while using a small of. Determine if it 's operating correctly, then replacing the PC board, gas valve, you will have wait! Use this site, and gas-fired water heaters, start troubleshooting with a soapy water and check fittings! The cause, then this is necessary to temper incoming water supply at the article water! Propane, your tank can be very hot and dangerous gas that goes both to the light... A leak near the valve turned the right way keep the situation for you do... Electric water heater ) will be required troubleshooting water heater temperature Settings ' more! Thermopile troubleshooting: gas water heater for a few minutes and then putting it back together hose and... With something that is broken in your gas company and notify them a..., Slide ribbon wires clip housing, front gas valve, you need to get some information on Safety you! Releasing the control knob on the gas valve, you can either replace entire! And make sure the gas pilot, gas valve continue troubleshooting the steps.! Whenever you need to replace a inlet valve and turn it back.. Lighting you got with the pilot light is always burning while using small! Lighting procedures differ slightly for valve to off is not working at this... Attached to the forum, I need to purchase a new AO Smith gas water heater water.