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Anyone install a vent free gas burner/log set?

Posted on 1/20/26 at 11:54 am
Posted by Tiger328
Member since Mar 2017
933 posts
Posted on 1/20/26 at 11:54 am
My house has a gas firewood starter. I turn the valve on with the key, light the flame and once the wood catches, cut off the gas.

Well my in laws decided to buy us a ventless log set. Great gesture, but seems like a lot of work, plus there’s a switch I need to install. Is this a DIY project or is there someone specific to reach out for? I’m confident in my abilities to put the gas on, but not the electrical portion.
Posted by Clames
Member since Oct 2010
19213 posts
Posted on 1/20/26 at 12:56 pm to
Is this a conversion kit? Putting a gas log set in an existing firplace isn't difficult but there is a good bit of prep work and you should be able to bend and flare copper tubing for a clean installation.
Posted by baldona
Florida
Member since Feb 2016
23753 posts
Posted on 1/20/26 at 1:49 pm to
My gas utility company will do installs, maybe only on stuff you buy from them. But I've found that a lot of their guys do work on the sides, and they also have a list of contractors that do work for them such as this.

So I would start from there, its a very common question. They'll know people to give you.

Eta: I've swapped one out before. Its not hard at all. Use gas pipe dope and they sell a special liquid to detect leaks, you wipe the connection and it bubbles. You don't want to use soap like with regular plumbing, I can't remember why.
This post was edited on 1/20/26 at 2:08 pm
Posted by Spankum
Miss-sippi
Member since Jan 2007
61239 posts
Posted on 1/20/26 at 2:06 pm to
Vent-free gas logs, simply have an oxygen sensor installed to shut the logs off in case there is declining oxygen in the room. You run them with the fireplace damper closed. They are very nice if you want a lot of heat, but are tired of the hassle with wood.

Any place that sells the logs should have someone that can install them too.

The switch you are talking about probably has something to do with the ignition system. However, I am not sure, because mine has a standing pi,ot light that ignites it.
Posted by Tiger328
Member since Mar 2017
933 posts
Posted on 1/20/26 at 2:16 pm to
This is what was bought for me:



And this is what I currently have (flame also lit for reference for the gas starter for firewood)



Posted by Clames
Member since Oct 2010
19213 posts
Posted on 1/20/26 at 3:33 pm to
quote:

However, I am not sure, because mine has a standing pi,ot light that ignites it.



His kit does too, milivolt ignition so a standing pilot and a thermopile to provide power for the valve. Shouldn't need any electrical to install it, probably nothing more than removing the existing burner, getting the propper fitting(s) for the log kit, then testing it out.
Posted by Tiger328
Member since Mar 2017
933 posts
Posted on 1/20/26 at 4:39 pm to
That’s what I thought too but somewhere when breezing through the directions I saw something about hardwiring in a switch

Image below shows it’s optional so maybe not

This post was edited on 1/20/26 at 4:58 pm
Posted by Clames
Member since Oct 2010
19213 posts
Posted on 1/20/26 at 7:13 pm to
Yeah, states right there that there is no electrical connection power the system, all self-contained.

That switch is just a simple on-off switch that can be placed elsewhere that bridges the thermopile connection to quickly shutoff the gas control solenoid and prevent an accidental ignition or gas leak unless the switch was put in the "On" position.
Posted by Spankum
Miss-sippi
Member since Jan 2007
61239 posts
Posted on 1/20/26 at 9:45 pm to
quote:

This is what was bought for me:



You’re lucky….those are very high quality gas logs!

You should just be able to disconnect the old starter and connect the gas logs up with a flex line. I believe your starter probably connects up with ferrule and your logs connect with flare nuts, so you will have to have adapter. If you don’t feel comfortable doing any of that, get someone qualified to do it for you.

One thing to remember, is the individual logs have to be stacked exactly as shown in the literature, or they will produce soot. keep the literature and also take a picture for future reference.
Posted by slacker130
Your mom
Member since Jul 2010
8963 posts
Posted on 1/21/26 at 8:04 am to
I installed some 10 years ago, pilot light, remote, no electrical switch needed. Don't be intimidated by gas, just make sure you leak check it with some soapy water.

From what I remember, I installed a new shutoff in the fire place, flex hose to the log coupler. Pretty easy, other than I had to shut off gas to the house, relight the water heater pilot as a result.

Takes a while to purge air and light the pilot light on my logs every year.
Posted by bbvdd
Memphis, TN
Member since Jun 2009
28371 posts
Posted on 1/21/26 at 12:38 pm to
You could always install a remote for them as oppose to trying install an electrical box and switch.

remote is easy. They take 3 or 4 AA batteries and replace the switch wires. Very easy.

Amazon
Posted by 98eagle
Member since Sep 2020
3151 posts
Posted on 1/21/26 at 9:02 pm to
I didn't do the work but our vented gas logs had a leak. My plumber replaced our gas logs with ventless gas logs. They are nice but man do they put out the heat, so much in fact we can't even use them because they will melt the paint on the fireplace mantel. I still need to go to welding/fabrication shop to get a custom heat shield built. Even then it heats very well, it's just too darn hot if we get anywhere near the fireplace.
Posted by Tiger328
Member since Mar 2017
933 posts
Posted on 1/23/26 at 6:35 pm to
So I did a little more digging. I currently have a heatilator circulating wood fire box. I read the data plate and it specifically says not certified or compliant with vent free logs. Doing a little digging it’s because the heat won’t circulate in the firebox properly and get too hot and be a fire hazard so guess I’ll stick to the wood!
Posted by calcotron
Member since Nov 2007
10232 posts
Posted on 1/23/26 at 6:46 pm to
I wish it was easy to convert my stupid gas log one to real wood, but there isn't a chimney going up. So far we use it for about 5 minutes per year because they are just dumb. No ambiance or fun.
Posted by Spankum
Miss-sippi
Member since Jan 2007
61239 posts
Posted on 1/23/26 at 8:04 pm to
quote:

I wish it was easy to convert my stupid gas log one to real wood, but there isn't a chimney going up. So far we use it for about 5 minutes per year because they are just dumb. No ambiance or fun.



Facing several days without power, lots of folks wish they had your gas logs right now!
Posted by calcotron
Member since Nov 2007
10232 posts
Posted on 1/24/26 at 8:07 am to
quote:

Facing several days without power, lots of folks wish they had your gas logs right now!



No doubt. I was just being a crab because I'm a pyromaniac.
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