Durable Solder Connections: Full ODF copper connections facilitate easy brazing into standard 1/2-inch refrigeration lines

Stable Control Power: Provides a consistent 24V AC signal to prevent HVAC short-cycling and communication errors between the thermostat and main board

removing the safety hazard of breaking glass ampoules on the job site

this unit utilizes a 3/8 SAE flare connection

White Rodgers 775-1 Control Durable Solder Connections: Full ODFThe White Rodgers 775 1 is a professional grade attic fan control designed to regulate power to ventilation systems based on ambient temperature. Engineered for line voltage applications, this thermostat operates with a 60 120F temperature range and a fixed 10F differential, ensuring efficient heat dissipation without excessive motor cycling. As a direct replacement for F535 models, the 775 1 provides a seamless upgrade path for legacy installations.