the top one sounds like the kiddy
you ever used one? i have a 4040 ro so does this work?
Hi
I bought one of these and they work in theory but not in practise (in my experience.)
I already have a ball float valve in my tailer setup so just bought the shutoff valve.
There are two inlets and two outlets on this valve. The first pair are the supply water in and out and the second are the pure water in and out.
The shutoff simply senses the buildup of pressure in the pure water tube when the storage tanks are full and shuts off the supply water from the mains.
The problem with mine is when the tank is nearly full and the float valve is allowing less water through it than the RO is producing. The pressure buildup is sensed by the shutoff valve and switches the supplying water off. As the pressure in the pure water line subsides the shutoff valve reopens and the same process happens again.
The first night it was on we were awaken by this hammering in the water pipes at the valve opened and closed rapidly; the first and last time it was ever used.
I see that this is a kit so maybe the ball valve works differently but I doubt it. With your RO producing more water than mine will probably exacerbate the problem.
Spruce