Barnes & Jones 3856 Vacuum Breaker –
Barnes & Jones 3856 Vacuum Breaker Barnes & Jones Vacuum Breaker model 3856 1/2″pipe 125lb maximum operating pressure. Barnes & Jones Vacuum Breakers are recommended for: Air/Heat coils, Heat exchangers, Make-up air coils, Steam boilers, One-pipe steam, Storage heaters, and Jacketed Kettles. The Barnes & Jones Vacuum Breakers are a simple, reliable, device that provides a positive means to automatically relieve or “break” an unwanted vacuum condition. Rugged hex design brass body, soft silicon O-ring to assure tight sealing, stainless