Aprilaire 50 Relay 320788-703 opening on pressure drop and

opening on pressure drop and closing as pressure rises

Automatic Reset Functionality: The L150-30F limit switch automatically closes the circuit once temperatures return to safe operating levels

This unit is rated for 120V to 277VAC applications

The Modine 5H0755250000 Motor is a high-performance 115V 1/30HP induction motor engineered specifically for technical compatibility within Modine HVAC unit heaters

this orifice is precision-machined to regulate vent airflow

Aprilaire 50 Relay 320788-703 opening on pressure drop andOptimize 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