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Older Gas Fireplace

etherhuffer

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Joined
May 20, 2016
Messages
88
Location
West Seattle
Anyone ever replace a gas valve on older gas fireplace? The unit is otherwise ok, just needs a new valve and going to add a new pilot while its apart
 
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fitter30

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Joined
Jun 23, 2019
Messages
2,968
Location
Peace Valley,mo
Won't work needs 24vac to open the valve. Need millivolt gas valve. Have to spec lp or natural gas. Some have a external thermostat it has to approved for millivolt and some internal thermostat. Pilot a assembly might have some numbers stamped on it and the gas valve might have a tag.
 
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rharman

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Joined
Apr 22, 2012
Messages
8,781
Location
SoCal
@etherhuffer - Do you have some specific questions? Why do you think it needs a new valve?

It's an easy replacement. Just need the correct valve. Do a thorough leak test when you're done before lighting it. I'd probably replace the thermocouple or thermopile while you have it open/apart.

I recently thought I was going to need a new valve for my gas fireplace but discovered it had been wired incorrectly. I have replaced a valve in our other fireplace.

See post here: https://www.garagejournal.com/forum...-inside-your-house-today.513421/post-11479480
 

fitter30

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Joined
Jun 23, 2019
Messages
2,968
Location
Peace Valley,mo
500 mv = 1/2 volt Switch made for line voltage may or may not work as you have found. A switch with gold contacts ( flash a gold coating) won't have that problem.
Chimney sweep more quilified for draft problems. Had a house built in 1977 more heat went up the stack than in the room.
 
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E

etherhuffer

Well-known member
Joined
May 20, 2016
Messages
88
Location
West Seattle
@etherhuffer - Do you have some specific questions? Why do you think it needs a new valve?

It's an easy replacement. Just need the correct valve. Do a thorough leak test when you're done before lighting it. I'd probably replace the thermocouple or thermopile while you have it open/apart.

I recently thought I was going to need a new valve for my gas fireplace but discovered it had been wired incorrectly. I have replaced a valve in our other fireplace.

See post here: https://www.garagejournal.com/forum...-inside-your-house-today.513421/post-11479480
Just seeing if it made sense to repair vs replace. I found a new valve and thermopile/pilot. I also found someone locally licensed to do the repair. Biggest issue is disassembling the unit to get to the valve. 1 think 1K in parts and labor beats 6K for a new unit
 

rharman

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Joined
Apr 22, 2012
Messages
8,781
Location
SoCal
Just seeing if it made sense to repair vs replace. I found a new valve and thermopile/pilot. I also found someone locally licensed to do the repair. Biggest issue is disassembling the unit to get to the valve. 1 think 1K in parts and labor beats 6K for a new unit

There is something to be said for the comfort factor of having it done if you're unsure of the process.

We had wanted to upgrade our 32 y/o fireplace to something more modern. Looked into replacing the fake logs with ceramic fireballs or something. Unfortunately, that couldn't be done and to replace it would require an all new vent stack and considerable demo. Since we just replaced our roof, we didn't want to do all that. So, we're keeping what we have.
 
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