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it handles operational loads with minimal heat generation
Key Benefits for Contractors High-Temperature Durability: Constructed from specialized alloys to resist oxidation and thermal stress in high-ambient environments
this is specifically vented for 1-pipe steam systems where the vent location is the only point of air exit
Where should the atmospheric vent be directed
the 669942R maintains structural integrity under constant thermal cycling
Watts 0382870 Valve Els PW 29614 it handles operational loads 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
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