Question about Dayton Gas Furnace Heater

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Installed new gas valve. Wired according to instructions with valve. Shows 3 wires coming from igniter to gas valve. 2 tabs on valve above pilot. Burners won't come on.

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I need more info to help you out. You need to check if there is anything else wrong with the furnace. But a for the gas valve goes you nee to check if your geting 24 volts to the gas valve. The pilot sensor might be bad. What kind of gas valve do you have. are the three wires coming back to gas valve Yellow, White, and Green. If they are most likly its the flame sensor not the gas valve.

Posted on Oct 07, 2010

  • jrdanielson Oct 08, 2010

    answer didn't help. no pilot light or burners either

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1 Answer

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Having problems with 35,000BTU Williams Wall Heater. Have changed thermostats twice using the 986-1R. Heater not coming on when dips down to lower temp and not shutting off when on just keeps runnin


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As this is not much voltage, it is very easily disrupted by a patina on the connections, wires and terminals, I would clean them all shiny new, this often will fix it, if not try jumping the 2 thermostat terminals that the thermostat wires are connected to, this bypasses the thermostat and wiring so if it runs you know why it was not before. The pilot generator likely needs to be replaced, you can test the gas valve with a AAA battery with a wire taped on each end, then wire the battery to the gas valves terminals that the pilot generators wired to, this simulates a good pilot generator.

If the system operates via battery do not use it this way it is not safe as no pilot safety exists in case the flame blows out! gas will still flow due to the battery powering the heaters valve, it is for testing only, if it works by battery then the pilot generators bad.

Jan 07, 2015 | Williams Wall Heaters: 35,000 Btu/hr...

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it is important to turn off

the gas supply to the water heater at the manual gas shut-off

valve. This valve is typically located beside the water heater.

Note the position of the shut-off valve in the open/on position

then proceed to turn it off.

2. On the lower front of the water heater locate the combination

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Rotate the gas control knob on the combination gas control

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I installed a do it yourself direct vent wall heater. All is complete. Pilot is on now. Problem, when I turn the williams theromstat from off position to even slightly on, i hear a click sound and it...


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Shastalaker7
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1 Answer

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1 Answer

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1 Answer

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