Johnson Controls T-4003-203 Thermostat Els PW 17895 System Reliability: Built to industrial

System Reliability: Built to industrial furnace standards to handle the high-amperage switching required by electric heat strips

while the B-port is modified for constant common port flow

The Reznor 110861 pilot kit includes the necessary electrodes and tubing to ensure a seamless fit during field service calls

Standard Electrical Interface: Operates on a standard 24V AC circuit with common spade terminals for fast wiring

Its integrated mounting bracket facilitates a secure fit

Johnson Controls T-4003-203 Thermostat Els PW 17895 System Reliability: Built to industrialThe Johnson Controls T 4003 203 is a high volume output submaster pneumatic thermostat engineered for precise proportional control in complex HVAC systems. Designed for reverse acting operation, this unit utilizes horizontal mounting and is specifically calibrated for applications where a remote master controller resets the setpoint based on external variables like outdoor air temperature. With a massive 400 SCIM flow capacity and a low 20 SCIM air