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Stable Thermal Regulation: The modulating water valve ensures consistent flow to maintain target temperatures between 115°F and 180°F
Versatile Mounting: All-angle mounting and a reversible rotation design allow for flexible installation in various condenser configurations
OEM Compatibility: Exact replacement for Weil McLain 560-528-987
bump start algorithms
Watts 0388800 Regulator 319848-301 Stable Thermal Regulation: The modulatingThe Watts 0388800 S1450F is a high capacity boiler feed water pressure regulator and safety relief valve designed for professional hydronic heating installations. This dual control unit effectively manages system pressure by automatically filling the boiler and piping while maintaining consistent levels during operation. Built for durability, the valve features a robust iron and bronze body with 1 2 inch union sweat (solder) inlet and NPT threaded
