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If the leak is at the supply line fitting, then the cone washer inside has failed. Since it’s 1/2” pex, you can probably get a new washer at any big box hardware store. If your near any RV parts store, it is a very common part and cost is less than 50 cents.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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