Copeland Comfort Control (White Rodgers) 90-113 Relay/Trans or gas pressure issues causing

or gas pressure issues causing flames to migrate toward the vestibule

this unit is the designated updated version for Robertshaw 801

Precision Compatibility: Specifically engineered for the McDonnell & Miller RS-1-BR-1 Series to ensure a perfect 4-hole alignment

To test the "close" function

you know that a failed contactor is often the bottleneck in air conditioning and heat pump systems

Copeland Comfort Control (White Rodgers) 90-113 Relay/Trans or gas pressure issues causingThe Copeland Comfort Control (White Rodgers) 90 113 Fan Relay Transformer is a heavy duty HVAC control center designed to manage line voltage fans and pump motors in both forced air and hydronic systems. This component integrates a 120V to 24V Class II transformer with an SPDT relay, allowing high voltage equipment to be safely switched by a 24V thermostat signal. Built for field service efficiency, it mounts directly to a 4 x 4 inch junction box and