Johnson Controls T-3100-3 Thermostat 30067439-890 this is the direct manufacturer

this is the direct manufacturer replacement and uses the same 1/2" NPT connection and footprint

maintaining stable electrical properties even under extreme cycling conditions

Superior Build Integrity: Engineered for the high-temperature environment of furnace flue assemblies

the Conbraco 17-402-01 is a pressure-only relief valve often used in systems where temperature is controlled by other safety limits

this assembly supports smooth rotation

Johnson Controls T-3100-3 Thermostat 30067439-890 this is the direct manufacturerThe Johnson Controls T 3100 3 is a precision engineered pneumatic thermostat designed for non relay type proportional control in commercial HVAC systems. This reverse acting controller utilizes a liquid filled sensing element and a 42 inch capillary tube, making it ideal for remote bulb thermostat applications where internal cabinet sensing is required. Operating with a 60 to 150 degree Fahrenheit range and a 25 psig maximum supply pressure, this unit