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Framing Wall Around Gas Heater

Posted on 9/25/25 at 9:38 pm
Posted by jlovel7
NOT Louisiana
Member since Aug 2014
23827 posts
Posted on 9/25/25 at 9:38 pm
So im building out my basement. There is a gas heater with an ugly exposed gas line and shut off valve on one wall im closing in.

I have to frame out that wall to run electrical to the room due to low ceilings and the other pathway blocked by a door. I’m also running speaker wire so need enough distance between the electrical and speaker wire.


My plan is to box out a 5’ opening with a beam and jack studs and cut out the drywall around the heater + 2”. The wall will go overtop of part of the heater but generally it will protrude. As I said before it is gas. I will wrap the whole thing in drywall. To the left of the heater is the pipe and valve. I will keep that in an open cavity behind drywall but with an access panel so you can still get to it.

My only concern is this going to be an issue with the heat from the heater? It’s attached to a drywall wall right now but face mounted with nothing overhead until the ceiling.

Should I use fire retardant wood and fire rated drywall or is that unnecessary?


Frankly I never plan to use that heater but it came with the house. Don’t want to leave something unsafe for the next people to own the house one day.
Posted by PaBon
UPT 17th W/D
Member since Sep 2014
2231 posts
Posted on 9/25/25 at 10:46 pm to
You’re fine. No need for anything othet then simple framing and drywall. A ceiling heater vent light combo would put off more heat than the secondary heat from that water heater. If you’re still concerned, you can add a simple small soffit vent to the cavity. You’re access panel will breath as well, it’s not air tight like an exterior door.
Posted by jlovel7
NOT Louisiana
Member since Aug 2014
23827 posts
Posted on 9/26/25 at 6:44 am to
quote:

You’re fine. No need for anything othet then simple framing and drywall. A ceiling heater vent light combo would put off more heat than the secondary heat from that water heater. If you’re still concerned, you can add a simple small soffit vent to the cavity. You’re access panel will breath as well, it’s not air tight like an exterior door.


It is not a water heater. It is a gas space heater built into the wall. It has an open flame behind a grate.
Posted by cgrand
HAMMOND
Member since Oct 2009
46509 posts
Posted on 9/26/25 at 7:56 am to
does the heater not have a shutoff valve? If so just shut it off. If not, add one
Posted by jlovel7
NOT Louisiana
Member since Aug 2014
23827 posts
Posted on 9/26/25 at 12:24 pm to
quote:

does the heater not have a shutoff valve? If so just shut it off. If not, add one


It does. That’s what I’m putting behind the access panel.
Posted by Tree_Fall
Member since Mar 2021
1082 posts
Posted on 9/28/25 at 1:59 pm to
Smart not to scare off a future buyer/owner or their inspector. It seems to me that how safely a ventless wall-mounted natural-gas space heater can be semi enclosed would be determined by the particular make/model and local code.

Some options for you are: 1- remove it and cap the line; 2- remove it and replace with electric heater; 3- frame in the wall and get a modern wall-mounted vent-less gas heater... LINK
Posted by Spankum
Miss-sippi
Member since Jan 2007
60531 posts
Posted on 9/30/25 at 1:15 am to
You need to get some literature on the heater, so you can see the recommended clearances around the heater. Alternatively, you could just take the heater out and cap the gas line, if you don’t need it for heat.
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