The Siemens Sirius 3RT2017-1AB01 is a high-performance 3-pole power contactor engineered for heavy-duty industrial and HVACR motor control applications

Corrosion-Resistant Orifice: Precision-machined to maintain a steady pilot flame under varying line pressures

water line strainer (4004)

Broad Compatibility: Suitable for multiple Weil-McLain boiler models

universal switches often lack the exact -

Resideo SCV-050 Check Valve 322057-301 The Siemens Sirius 3RT2017-1AB01 isThe Resideo SCV 050 Check Valve is a heavy duty 1 2 inch service check valve engineered to provide reliable backflow prevention in hydronic heating and domestic water systems. Designed for the rigors of mechanical rooms, this valve features a 1 2" FNPT inlet and a male threaded outlet, making it a drop in solution for expansion tank loops and boiler feed lines. With a robust 100 PSI maximum operating pressure and a high temperature threshold of 240F,