This SKU consists of the brass nozzle assembly

Direct Compatibility: Specifically engineered for the Johnson Controls T-4000 series pneumatic thermostats

5-watt resistor across the "Y" and "C" or "W" and "C" terminals to ensure electronic stability

Coil failure is often attributed to improper voltage supply or mechanical resistance in the valve body

Reznor 135202 Blower Sheave Els PW 17895 This SKU consists of theThe Reznor 135202 (AL54 1) is a precision engineered blower sheave designed for reliable power transmission in industrial and commercial HVAC systems. This genuine replacement pulley connects the motor shaft to the blower assembly, ensuring the consistent RPM and airflow volume required for optimal unit heater performance. Built to withstand the torque demands of high static environments, the AL54 1 blower sheave features a robust bore and machined