Pressure switches must match the specific inches of water column rating mandated by the furnace manufacturer

the breaker trips to protect the internal windings

This SPST cold control is engineered with a wide temperature range of 15°F to 40°F

To ensure the longevity of the fan condenser motor 1172162

Key Benefits for Technicians: Wide Temperature Range: Covers 25°F to 70°F

Johnson Controls T-3100-2 Thermostat Freon Pressure switches must match theThe Johnson Controls T 3100 2 is a robust pneumatic thermostat designed for precision control in HVAC pneumatic control systems. This non relay type thermostat operates with a direct acting control signal, increasing output pressure as the sensed temperature rises. Engineered for versatility, it features a 60 to 150 degree F range and includes a 42 inch capillary for remote sensing in varied duct or room environments. With a 25 psig maximum supply