Aprilaire 50 Relay R-448A OEM Compatibility: Seamlessly replaces Nordyne

OEM Compatibility: Seamlessly replaces Nordyne part numbers 632372 and 632424 without requiring field modifications

25-inch bore bearing

providing full-flow fittings that ensure a low pressure drop across the circuit

this unit effectively compares two pneumatic signals and transmits the higher of the two to the output port

you must verify the installer parameters (accessible via the 5309 password) to match the specific application settings of the boiler

Aprilaire 50 Relay R-448A OEM Compatibility: Seamlessly replaces NordyneOptimize your home climate control system with the Aprilaire 50 Relay, a high performance current sensing relay designed specifically for 24V HVAC applications. This essential component ensures your whole house humidifier operates only when the furnace blower is active, preventing wasted water and protecting sensitive electronics from electrical feedback. By detecting the furnace blower motor current, the Aprilaire 50 automates the humidification