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Contractors typically select this motor for its compatibility with OEM specifications
a cracked heat exchanger
using a sea-level switch at high altitude can lead to nuisance tripping or unsafe combustion due to the difference in atmospheric pressure
Contractors prefer the 3049-115 for its plug-in wiring configuration
Key Benefits High Capacity Performance: Straight-Thru-Flow (STF) design provides superior flow rates with minimal pressure drop across the 1 1/2" NPT ports
Watts 0383021 Valve Freon Contractors typically select this motorThe Watts 0383021 is a high capacity ASME Section IV safety relief valve designed specifically for commercial hot water space heating boilers. This Watts 740 series relief valve features a 1 1 4 inch NPT female inlet and an expanded 1 1 2 inch NPT female outlet, engineered to decrease discharge velocity and prevent potential backpressure issues within the return line. With a factory set relief pressure of 35 PSI and a certified steam discharge