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or differential pressure as required by the equipment
The EX4-I21 requires a bipolar stepper motor driver
Rated Class H for thermal endurance up to 180°C
ensuring proper lubrication viscosity and preventing slugging
Smith BTR unit
Resideo PLS730B1003 EconoSwitch 321142-301 or differential pressure as requiredThe Resideo PLS730B1003 EconoSwitch is a high capacity programmable wall switch engineered for the heavy duty demands of HVACR and electrical motor loads. Rated for up to 1 HP at 120 Vac and a massive 2400 W resistive inductive load, this unit replaces standard single pole switches to automate pool pumps, ventilation fans, and industrial lighting. The 3 wire installation requires a dedicated neutral, ensuring stable power for the backlit LCD screen
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