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For technicians servicing systems with R-22
Key Benefits for Contractors High-Temperature Durability: Constructed from specialized alloys to resist oxidation and thermal stress in high-ambient environments
Precise Differentials: Adjustable low-side differential (10–60 psi) and a fixed 60 psi high-side differential ensure stable system cycling and prevent short-cycling
the 669942R maintains structural integrity under constant thermal cycling
Watts 0382870 Valve Els PW 29614 For technicians servicing systems withThe Watts 0382870 (also identified as model 740 1 60) is a high capacity boiler pressure relief valve engineered for heavy duty hot water space heating applications. This 1" x 1 1 4" NPT valve features a durable iron body construction and is specifically designed to provide emergency overpressure protection for commercial and large scale residential boilers. With a pressure relief setting of 60 psi and a certified steam discharge capacity of 2,200,000
