it is constructed with heat and oil-resistant compounds

70"wc SPST pressure switch is factory-calibrated to ensure the draft inducer motor is moving sufficient combustion air before allow the ignition sequence to proceed

the linkage assembly uses a rugged hexagon coupler and spring compression screw to provide a secure mechanical bond

For contractors performing boiler maintenance or emergency repairs

and SCE models (sizes 125-600)

Nordyne 01-0843 Sequencer it is constructed with heatThe Nordyne 01 0843 Sequencer is a critical OEM replacement part engineered for staged heating control in electric furnaces and air handlers. This HVAC heat sequencer is designed to manage the timing of heating elements, preventing high inrush current and ensuring the blower motor operates in synchronization with the heat strips. Featuring a 1 110 second On 1 110 second Off timing, it provides precise thermal expansion disk activation to maintain