Forum Discussion

ford-willy's avatar
ford-willy
Explorer
Aug 24, 2016

Plumbing Vent Caps On Roof --- All Sun Broken & Ruined

Finishing up a bunch of maintenance on the 8 year old 5ver. Last thing was to get it washed. While up on the roof washing noticed all 3 plumbing vent caps broken and really deteriorated bad. Just the ...
Seeking Advice
Mich_F's avatar
Mich_F
Explorer
Aug 26, 2016
ford-willy wrote:
Trackrig wrote:
Only if your holding tanks are absolutely full when it rains. Otherwise, it would probably have to rain 75" to get enough down that little 1-1/4" pipe - then you're going to have a lot of other problems to worry about.

Bill


Just thought one vent may be for something other than plumbing like refrigerator vent or such.


These are refrigerator roof vents. You need a good size hole in the roof as well as the hole/grill behind the frig, for proper venting.

About RV Tips & Tricks

Looking for advice before your next adventure? Look no further.25,174 PostsLatest Activity: Nov 02, 2025