Hoffman Air Valve 401446 62, 3/4" Straight Vacuum Breaker Bury Depth_5' Complies with Federal Specification WW-H-171E

Complies with Federal Specification WW-H-171E & A-A-1192A Type 10

Valves are suitable for most tankless installations

Complies with A-A-1192A Type 8

2 bar)(Drop away pressure - maximum pressure against which the vent can open)

Designed for the suspension of insulated pipe lines

Hoffman Air Valve 401446 62, 3/4" Straight Vacuum Breaker Bury Depth_5' Complies with Federal Specification WW-H-171EVacuum Breaker For use on closed vessels and piping systems tocontrol induced vacuum within safe limits Adjustable from 14" 20" (8 508mm) Hg vacuum factoryset at 2 (51mm) Hg vacuum 34" NPT straight shank Maximum operating temperature 366F (186C)