This specific sensor is engineered for condensing heat exchangers

and A12-1560 models

this is a complete pilot burner assembly that includes the ground-lead wires

this solenoid provides reliable directional control for automating quarter-turn valves in demanding HVAC and industrial process environments

Universal Voltage Capacity: Operates seamlessly between 120V and 277V

Watts 0388800 Regulator 328140-751 This specific sensor is engineeredThe 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