Johnson Controls T-4002-9008 Pneumatic Thermostat Els PW 17895 maintaining the necessary resistance levels

maintaining the necessary resistance levels for consistent performance

For negative pressure (vacuum) sensing

000V ignition transformer

making it a staple for high-traffic mechanical rooms

Verify your model's unit heater parts compatibility to ensure the 110860 is the correct match for your specific heat exchanger and gas valve configuration

Johnson Controls T-4002-9008 Pneumatic Thermostat Els PW 17895 maintaining the necessary resistance levelsThe Johnson Controls T 4002 9008 is a professional grade direct acting pneumatic thermostat engineered for precise proportional control in commercial HVACR systems. Designed for horizontal mounting, this single temperature controller manages heating and cooling applications by providing a proportional output air signal that modulates terminal equipment in response to localized load changes. Operating within a set point range of 12 to 30 degrees