AstralPool Hydrostatic Valve

To alleviate the pressure that can build up under the pool shell due to groundwater, it is recommended that a hydrostatic valve and a drainage pipe be fitted to the main drain. Hydrostatic valve to be fitted to the 2" bottom outlet on main drains. Made of white ABS, with stainless steel screw and spring. 11/2" male thread.. Made of white ABS, with stainless steel screw and spring. 11/2" male thread.

Ref: 00277