1½"slip socket or 2"spigot
¼ lb. spring, clear body
Valterra Products Check Valve
Specifications:
Air Blower Check Valve Type - Spring
Plumbing Connection Size "A" - 1½", 2"
Plumbing Connection Type "A" - Slip , Spigot
Plumbing Connection Size "B" - 1½", 2"
Plumbing Connection Type "B" - Slip with Union, Spigot with Union
Spring Tension - ¼ lb.
Check Valve Application - Air, Water
Air Blower Fitting Type - One Union Check Valve