We recommend confirming your specific model and serial number before installation to ensure exact HVAC part compatibility with your existing control board and transformer setup

Time-Delay Functionality: Prevents premature failure caused by motor start-up rushes in HVACR systems

This model is specifically designed for R410A refrigerant only

High-quality construction designed to withstand the thermal stress of modern gas furnace environments

The enclosed 3003E pneumatic actuator typically features a 1/8-inch NPT air connection for standard pilot air lines

Belimo NRX24-SR-T-N4 Actuator 328140-751 We recommend confirming your specificThe Belimo NRX24 SR T N4 is a professional grade non spring return actuator engineered for high performance modulation in demanding HVACR environments. This direct coupled actuator delivers a reliable 70 in lb torque, making it a staple for contractors managing proportional control across NEMA 4X rated installations. Built for versatility, the unit operates on a standard 24VAC DC power supply and accepts a 2 10 VDC control signal, ensuring seamless