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Old 01-06-2020, 06:13 PM   #1
Senior Member
Join Date: Sep 2018
Location: Moline, IL
Posts: 685
Lavatory faucet leak fixed (finally!), and a tip

The toilet room sink faucet in our Sunstar has had an intermittent leak under the counter since we purchased the unit (and probably before). It was on the hot water side.

Tightening the PEX swivel elbow would fix it for a while, but then it would drip again. That was bad, because the drip was into the sink base cabinet, where it might not be discovered for a while.

Before our next outing, I decided to fix it.

Below is what I found. The cone washer (or whatever that is called) got folded over during the initial installation. I tried to replace it with a cone washer from the hardware store, but it was just too big to fit in the nut.

It took me a while to locate the correct part on-line, so when I found it at Ace, I ordered 3 for delivery to my local store (2 for the faucet, and a spare in case I boogered up one of the first 2).

I replaced both swivel Els today, and pressurized the system. So far, no leaks.

The tip:

Neither the bath sink or faucet (or stove or kitchen sink, or faucet) were sealed to the counter or sink when the coach was made. So, stray water from spray or washing hands or dishes, can leak under the sinks, stove, or faucets, causing long term damage and problems.

I bought a tube of DAP Kwik-Seal today to seal all of them.
2014 Itasca Sunstar 31KE
1988 Itasca Suncruiser 31RQ
1968 Travco 21'
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Old 01-07-2020, 11:52 AM   #2
Senior Member/RVM #90
MSHappyCampers's Avatar

Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 52,467
Thanks for the tip!
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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