The Brower Waterer VP227 features a 1/2" thread and a 1/8" oriface to accommodate high water pressure.
The Brower VP2 valve is the next generation vale which replaces the VP1 valve series. The VP2 provides simplicity with few moving parts and has the following features.
Easily replaces the VP1 valve and designed with fewer parts to create increased water flow.
NOTE: The fully assembled valve part numbers are VP221, VP223, VP224, VP226, VP227. The last 2 numbers on VP2 match up with the VP1 valve. If your drinker originally took the VP124, order a VP224, etc.
TIP: If you want to replace a VP1 valve with a VP2 valve, the base and assembly nut can remain connected to your water supply line.
Valve hook up suggestions for better service
Orifices are interchangeable on all valves.