Captain_Happy wrote:
ON some RV's the check valves off the water heaters are metal ones. On my Forest River 5th wheel trailer, the 10 gallon water heater has the metal 1/2 NPT screwed right into the water heater female inlet & outlet fittings and the water lines fittings screw into them.
Now I also have a Casita trailer with a 6 gallon water heater, and the check valves look like brass heavy duty check valves.
NO matter what you do, which I think you've already figured out is, your going to have to get away from the plastic ones because cold weather.
I'd start by looking on Amazon first, and then an RV parts store. Good Luck.
The springs are too weak. I've already mentioned it in my OP.
