the Nordyne 621931R offers the drop-in compatibility required to restore HVAC system performance without modifications

the SA101-38 includes the required Tetraseal O-ring (Part 324435) to prevent leaks at the connection point

The bleed hole is critical in specific draft inducer applications to ensure the switch resets properly when the blower de-energizes

it is frequently utilized in commercial and industrial furnaces

Simplified Wiring: Designed to mount directly inside the existing power box

Bard S1804-0106 Control Assy Els PW 17895 the Nordyne 621931R offers theBard S1804 0106 High Pressure Control Assy S1804 0106 is the updated version for 1804 0106