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Best way to replace a broken fireplace valve
Posted on 4/5/17 at 4:38 pm
Posted on 4/5/17 at 4:38 pm
The valve on our wall (behind wood paneling) broke at some point in the past and does not open/close like a typical quarter turn valve anymore. (no gas leakage while off, but turning the valve all the way on does not result in enough gas to start a fire). What would be the best way to go about doing this?
My idea is to cut 8-10" square around the valve (because of the paneling) and make it into a framed access panel for the future. Once that is removed, could that be enough access to replace the broken valve? Or would more access to inside of the wall be needed?
Thanks in advance for any ideas.
My idea is to cut 8-10" square around the valve (because of the paneling) and make it into a framed access panel for the future. Once that is removed, could that be enough access to replace the broken valve? Or would more access to inside of the wall be needed?
Thanks in advance for any ideas.
This post was edited on 4/5/17 at 4:39 pm
3
Posted on 4/5/17 at 4:41 pm to TigerRob20
quote:
(no gas leakage while off, but turning the valve all the way on does not result in enough gas to start a fire).
This may be a dumb question, but are you sure that the valve is broken and that there isn't a regulator inside the fireplace?
Posted on 4/5/17 at 4:46 pm to TigerRob20
Depends on your fireplace set up, if you can reach it with the turn key I would think it should be enough. If you don't know what you are doing you should prob consult some outside help. It could be something else other than a broken valve, which I'm not sure how that even happens on something rarely used
Posted on 4/5/17 at 4:47 pm to TigerRob20
Above is an image of a typical fireplace gas valve. you have a brass valve assembly, a valve stem and a packing nun (this holds the stem in the seat. If in fact you have a "bad valve" you will need a bigger hold to get into the wall as you will have threaded piping coming in and out of the valve. do not attempt this if you do not know what you are doing.
if you are not getting enough gas pressure (flow) that i would guess you have an obstruction or trash in the line or you have insufficient gas pressure to the fire place.
This post was edited on 4/5/17 at 4:48 pm
Posted on 4/5/17 at 4:48 pm to Box Geauxrilla
quote:
This may be a dumb question, but are you sure that the valve is broken and that there isn't a regulator inside the fireplace?
Yep, 100% sure. When bought the house, the only thing in the fireplace was the tip of the open gas pipe. It has since been retrofitted with new gas logs, but the gas only produces very small flames.
quote:
Above is an image of a typical fireplace gas valve. you have a brass valve assembly, a valve stem and a packing nun (this holds the stem in the seat. If in fact you have a "bad valve" you will need a bigger hold to get into the wall as you will have threaded piping coming in and out of the valve. do not attempt this if you do not know what you are doing.
This was what I was worried about. The new assembly would have to be threaded onto each end of the pipe. Essentially the hole would need to go to the floor to gain access to the entire pipe?
This post was edited on 4/5/17 at 4:50 pm
Posted on 4/5/17 at 4:49 pm to TigerRob20
If you can still turn it a quarter turn without feeling any slipping I bet it's some shite in the line. There's all kinds of debris in those house gas lines that can stop it up
Posted on 4/5/17 at 4:50 pm to TigerRob20
quote:
Yep, 100% sure. When bought the house, the only thing in the fireplace was the tip of the open gas pipe. It has since been retrofitted with new gas logs, but the gas only produces very small flames.
if you have gas logs or if you have a burner assembly, then i would look also to see if you have clogged burner tubes.
sounds more like you have an obstruction somewhere rather then a bad valve
Posted on 4/5/17 at 4:52 pm to Ed Osteen
quote:
If you can still turn it a quarter turn without feeling any slipping I bet it's some shite in the line. There's all kinds of debris in those house gas lines that can stop it up
Interesting. The way it is now, the open/close valve does not look like a typical valve would look (where the key crosses the line when closed and runs parallel to the line when open). Currently as closed, the key sits at about 2 o'clock.
Posted on 4/5/17 at 4:53 pm to TigerRob20
quote:
This was what I was worried about. The new assembly would have to be threaded onto each end of the pipe. Essentially the hole would need to go to the floor to gain access to the entire pipe?
if you know what valve is in the wall you can replace the valve guts. unscrew the packing nut pull out the valve stem assemble and look at he seat and look into the valve body.
you can cut a hole large enough to get a Basin wrench into the wall to undo the packing nut
basin wrench image:
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