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Do Unused Ports of RV Propane Manifold Have to Be Plugged  

Updated 01/07/2026 | Published 01/03/2026



Question:

I have two questions: 1. I ordered a six port LP Gas Manifold but currently only have one supply line and four devices, can I still use the manifold with one unused port without leakage? 2. Can I hookup the supply line to any port? Thanks.

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Expert Reply:

Hey Carvin, looks like you ordered the manifold part # JR85CR which will need the plug part # JR25CR for the unused ports. The supply line can be hooked up to any of the ports as well.

expert reply by:
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Jameson C
Carvin B. profile picture

Carvin B.

1/6/2026

I hope this is true because I know when I blew air through Port 1 it was coming out of all ports. I have not installed any lines as of yet.

Jameson C. profile picture
Etrailer Expert

Jameson C.

1/6/2026

@CarvinB I'm sorry! You do actually need a plug which we have with the part # JR25CR. I don't know why I didn't remember this was the case.
Carvin B. profile picture

Carvin B.

1/7/2026

@JamesonC I decided to locally buy a 3/8 Flare End Cap with Gas Teflon tape.
Jameson C. profile picture
Etrailer Expert

Jameson C.

1/7/2026

@CarvinB makes sense. That will work.
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