this auto-reset pressure control ensures reliable operation by breaking the electrical circuit when system pressure falls below the safety threshold and re-engaging once pressure stabilizes within the 15 PSI differential

and use the hex wrench to adjust the set point screw while monitoring with a digital manometer for precise trip point verification

reducing wear on the blower wheel and housing while extending the life of the motor

Motor-Rated Performance: Suitable for primary switching of motors with ratings up to 1 HP at 120V and 3 HP at 240V

OEM Compatibility: Exact fit replacement for the S1-025-49717-000

Siemens Building Technology 658-0051 Valve Refrigerant this auto-reset pressure control ensuresThe Siemens Building Technology 658 0051 is a professional grade 3 way sequencing valve engineered for precision modulation in 4 pipe HVAC systems. With a 1 2 inch flare connection and a 2. 5 Cv flow coefficient, this Powertop series valve is designed to manage hot and chilled water flow to radiant panels and induction units without mixing. The equal percentage flow characteristic ensures linear thermal output, providing tight control over terminal