🔄 Enhanced RV Drain Hose Connection: Valterra F02-3101 EZ Coupler Valve Adapter Review

Spray a little furniture spray on the hole and the hardware will fit in. Make sure you tighten it as much as possible or it will leak. Mine did and I went back and tightened the fitting a few more turns until it was all the way in. Leaked again!

I tried the clip on replacement hose ends which use a metal band clamp. It seems that no matter how hard you tighten the clamp, "liquid" seeps between the fitting and the hose. This thread adapter is screwed onto the end of the hose. Very easy. No leaks. After trying one, I bought two sets; to have every hose end ready to hand. You don't need them until you do.

Well made product. It took 2 people to put it on the hose but seems quite tight. Use liquid soap and lube. It loses a star because it fits snugly on a 4" bumper. This is the same diameter as the inner diameter of the bumper, so it will fit very snugly or not at all if the bumper is deformed or rusty. Some manufacturers mold 4 flats into a large plastic ring, like this that it fits easily into the bumper.

Installs as directed, with the drain hose lubricated with aerosol wax prior to installation. Easy installation and most importantly no leaks. I did a test with a water tank and connected the hose as usual but capped the open end and uncapped the thread of a small garden hose. This allowed the water to flow outwards and then severely restricted. It passed the test, it has 4 lugs to catch all 4 lugs on the drain tank. It's thicker plastic than normal, so the inside diameter of the connector is…