Description
Optimal Pressure Stability: Minimizes local turbulence to maintain steady outlet pressures across varying inlet conditions
Fixed Setpoints: Factory calibrated to 26°F Open / 38°F Close for consistent coil protection without manual adjustment errors
making it a reliable choice for field technicians performing preventative maintenance or emergency repairs
switch is a specialized rotary component
For installations above 4500 feet
White-Rodgers 770-1 Air Switch Els PW 17895 Optimal Pressure Stability: Minimizes localThe White Rodgers 770 1 Air Switch is a versatile, field adjustable differential air pressure switch designed for critical proving applications in HVACR systems. Featuring a SPDT (Single Pole Double Throw) snap action switch, this unit can be configured to actuate on positive, negative, or differential pressure. Unlike standard sail switches that are prone to mechanical fluttering, the 770 1 utilizes a robust enclosed diaphragm design that remains