This is an all plastic float valve for controlling water levels in a reservoir. Mounting requires drilling a 5/8" hole about 1" above the desired water level. The valve mounts like a bulkhead through this hole. It has 1/4" male NP...
Can be adjust for top-mount or side-mount. Non-metal construction makes this float valve perfect for just about any application. Accepts standard 1/4" RO tubing.