Key Benefits for Technicians: Fixed Setpoint Precision: Factory-calibrated at 0

What units is the 0151R00187S service valve compatible with

Critical Safety Compliance: Specifically designed to interface with the inducer assembly to prevent unsafe gas valve activation

Featuring a 3-inch insert probe

Code Compliant: UL recognized and CSA certified for industrial and commercial HVACR installations

McDonnell & Miller 250-3/4-50 Valve Els PW 17895 Key Benefits for Technicians: FixedThe McDonnell & Miller 250 3 4 50 (Part Number 181525) is a high capacity pressure relief valve engineered specifically for technical boiler applications and hydronic heating systems. Field proven to handle a 1,160,000 BTU capacity, this 3 4" NPT valve is set at a precise 50 PSI to prevent over pressure conditions in demanding mechanical environments. Built with a heavy duty bronze body and seat, it utilizes an EPDM rubber diaphragm and seat disc to