The White-Rodgers 90-248 is a high-performance 2-pole definite purpose contactor engineered for demanding central air conditioning and heating systems

the gate is adjustable from

it is best used in its intended 3-pole application to break all power legs simultaneously

and 500-SP series burners across various frame sizes

The specialized material composition resists degradation from corrosive condensate and high-BTU firing rates

White-Rodgers 5D51-35 Control Els PW 17895 The White-Rodgers 90-248 is aThe White Rodgers 5D51 35 is a heavy duty fan and limit control engineered for high static pressure applications and forced air heating systems. This warm air control features a 5 inch insertion probe utilizing a bimetal sensing element to provide precise thermal response. As a universal furnace fan limit switch, it manages blower motor activation and provides critical high limit safety cutouts to prevent heat exchanger damage. The unit includes