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Small Cabin Forum / Off-Grid Living / Shut-off Valve Required?
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# Posted: 3 Nov 2019 05:37

Curious to know if a shut-off valve is required with a propane tank. I'm going to have one appliance attached to it (a ventless wall heater). The reason I'm asking is because the tank itself has its own shut-off valve, and the heater has its own on/off switch also. It just doesn't seem necessary to have a third one. I could see maybe someone being mischievous and opening the tank when I'm not there, but I would think the heater's being off would prevent any gas from entering the cabin.

# Posted: 3 Nov 2019 08:15

My propane tank is not connected year round. During the summer, I worried about insects, crawling into the hose and building a nest. That was my reasoning for a shut off valve.
I know you have run through the safety issues in your head. Take care. Enjoy your place.

Sprinkler Guy
# Posted: 3 Nov 2019 08:19

Pretty sure all gas appliances are supposed to have a shutoff within reach of the unit for service. What’s the big deal? A valve and a couple fittings can’t be more than $15.

# Posted: 3 Nov 2019 08:44

Yes, I believe code requires it, and the appliance makers recommended it.

# Posted: 3 Nov 2019 09:30 - Edited by: ICC

If the heater or other device is directly attached to the propane cylinder valve, no other valves are needed.

If the device is connected to the propane tank with a temporary connection, like one of those extension hoses no extra valve is needed. Those hoses have a automatic stop valve in the end that connects to the heater or whatever. Those are not supposed to be used indoors though and never through a wall. And only temporary.

If you have rigid pipe or approved flexible tubing connecting the propane tank through the wall to the heater or whatever, then, by code, you need a shutoff where the heater connects.

Safety is one reason to meet code. The other is if you have insurance and have a claim, the insurer can refuse payment if a code violation caused or contributed to the claim. No matter how many years of premiums you paid.

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