Zurn-Wilkins 12-760 Wilkins Backflow Peventer 1/2" Dual Check With Adapter
| Continuous pressure type backflow preventer with threaded atmospheric vent drain | Consists of 2 independently operated spring-loaded check valves with intermediate atmospheric vent | Bronze body construction | Integral stainless steel screen, corrosion resistant internal parts | Temperature range 33?F - 210?F, maximum pressure 175 psi