Johnson Controls T-4002-9009 Pneumatic Thermostat 30067439-890 it is compatible with any

it is compatible with any 24V system requiring a 1-pole

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

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

generating the necessary 750mV to power your electromagnetic gas valves

Johnson Controls T-4002-9009 Pneumatic Thermostat 30067439-890 it is compatible with anyThe 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