Johnson Controls T-4002-9009 Pneumatic Thermostat 30067439-890 this part offers the exact

this part offers the exact tension needed to hit your target outlet pressure range without the drifting common in aftermarket alternatives

018" orifice for propane will result in over-firing and a dangerous pilot flame

this furnace air pressure switch prevents ignition under hazardous conditions such as blocked flues

meeting standard electrical codes for commercial HVACR installations

This OEM replacement part is essential for maintaining the pilot flame assembly

Johnson Controls T-4002-9009 Pneumatic Thermostat 30067439-890 this part offers the exactThe Johnson Controls T 4002 9009 Pneumatic Thermostat is a high volume output single temperature controller specifically designed for facility managers and HVAC technicians who require precise proportional control in commercial settings. Operating on a reverse acting sequence, this thermostat increases its branch line pressure as the ambient temperature decreases, making it ideal for managing heating and cooling applications through 2 pipe pneumatic