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My gas valve will not light.has 24volt to it - Goodman Heating & Cooling

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Check continuity across both coils in gas valve...open loop means bad valve

Posted on Jan 06, 2014

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1 Answer

How I can test gas valve on my furnace


with a low voltage tester. Most operate on the 24volt power. Some are millivolts, some some are electronic,
give us more info on the particular valve you want to test

Apr 10, 2016 | Heating & Cooling

1 Answer

How do i keep the pilot light lit? The model # is 6p30t


If the gas valve is electric, the 24volt supply transformer either has a weak connection or is failing.

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T8845PV has 120 volt input.... but 24Volt output,
You can use 24 volt to control contactor that can be used to switch 120-240 volt pump
Wiring on following link:
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1 Answer

12v or 24v


Your model of your machine would help as more.
12volt water valves have spade terminals and measure around 15 Ohms on a multimeter.
24volt water valves have a small rast plug and measure around 64 Ohms.

Jun 10, 2013 | Fisher and Paykel GWL11 Top Load Washer

1 Answer

The gas valve makes a rattleing noise and then shuts the gas off


Hi, this is not a real common problem but sounds to me as though the 24volt coil is faulty on this unit. On a call for heat this system should go through its sequence of operation through all safetys and so on before the gas valve opens. If it is going through the start up cycle and it is time for the main gas valve to open when this occurs, your gas valve is faulty.It is internally shorted and should be replaced. This is all it could be as this is happening when 24volts is supplied to it, this will happen. If you are inclined to replace it your self, it is a simple task but requires the new gas valve to be set up with a gas test pressure kit. I would advise you to have a qualified serviceman to do this. The inlet gas pressure must be set at no more then 1/2 p.s.i and the manifold at 3.4" of w.c.It is very inportant that this is checked as for safety to you and you're family. What you may try is calling out you're local gas company to check your in coming gas pressure as I have seen on a unit in the past that with in 3 hours of installing a new gas valve, we were called back 3 times and found all new valves to have failed!! Come to find out that the main gas pressure regulator was intermittent at the meter and the pressure was at 35 p.s.i. Not to alarm you as I have only seen this 1 time in 33 years as a service tech and now a/c & heating contractor. But to solve this problem, the valve must be replaced as it is shorted internally.I would shut the gas valve off at the flex line for your safety until you can call out your gas company as it is free of charge. Just tell them you're heater is acting up and you think you might be smelling a small amount of gas. This will get them rolling quite fast.Please keep me posted on this and don't be alarmed but play it safe.
Sincerely,
Shastalaker7

Jan 13, 2010 | Weather King 12AJA4801AH Air Conditioner

4 Answers

Goodman furnace no gas , 3 blinking


3 blinks is a pressure switch error clear the hose going to the inducer housing you may need a paper clip to stick into the barb fitting on the motor housing

Oct 02, 2009 | Goodman GMS90703BXA Heater

1 Answer

Trouble shooting manual for Model# RGUJ-05EA-ER RHEEM GAS FURNACE


replace the gas valve....test for 24volt at the gas valve input.  if you have this then it's a def gas valve relay not working.

Dec 09, 2008 | Heating & Cooling

1 Answer

Laars lite 2 Spark egnighter will not spark


turn power off first. I would disconnect igniter wire which will be a thick orange wire that comes off of ignition module if it is spark. once you have that the end will look like a spark plug wire take shield away from metal then hold orange wire in hand close but not touching metal turn power on and it will take a couple of minutes before it should start sparking. If you don't see a spark then it is most likely the ignition module. There should be a red light on ignition module that will blink to tell you what the failure is if is is a newer on. When you turn power on to laars light 2 the inducer motor should come on then a pressure switch should send 24volt to gas valve for pilot to lite.Can you smell gas at all when laars should be igniting. If you have any questions fell free to email me back

May 10, 2008 | Lite On Laars Lite 2 Heaters: 250,000BTU...

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