Supplying Demand SD42-21786-81 HVAC Defrost Relay 1 SPST-NO (Normally Open), 2 DPDT Coil frequency (Hz): 50/60 | Coil voltage: 24VAC | Contact bias: NO: 7-4,8-5; NC: 7:1, 8:2, 9-3 | Horsepower rating at 120V (HP): 1/3 | Horsepower rating at 277V (HP): 1/2 | Horsepower rating at 600V (HP): 3/4 | Number of DPDT contacts: 2 | Number of SPST-NO contacts: 1 | Terminal connections: 3/16 Inch quick connects.

Supplying Demand SD917178A 917178A HVAC Defrost Control Board

Supplying Demand SD47D01U-843 47D01U-843 HVAC Heat Pump Defrost Control Board Replaces most single-stage defrost controls Selectable demand or timed defrost Universal mounting with rotating display Preconfigured for major OEM brands Integrated indoor thermostat Access set up and diagnostic menus from any orientation Brown out and short cycle protection

Supplying Demand SD47-105222-01 47-105222-01 HVAC EMI Filter Board

Supplying Demand SD624625R 624625R HVAC A/C and Heat Pump Circuit Board.

Supplying Demand SD903915A 903915A HVAC Air Handler Control Board 208-230 VAC

Supplying Demand SD904531A 904531A HVAC Air Handler Control Board B5

Supplying Demand SD8733933939 8733933939 HVAC Control Board Control Unit UPM Assembly Kit

Supplying Demand SD626-38632 626-38632 Fuse Adapter 60 to 30 Reducer for Class H, 250V.