Johnson Controls T-4003-201 Thermostat 30067439-890 This specific Lennox furnace part

This specific Lennox furnace part is built to withstand high-pressure environments

This relay is typically used in Daikin-McQuay chillers and air handling units for pilot duty switching

and a pilot adjustment in a compact footprint

This PCA is used in the 211

it ensures seamless communication between the electronic aquastat and the immersion well

Johnson Controls T-4003-201 Thermostat 30067439-890 This specific Lennox furnace partJohnson Controls T 4003 201 Submaster High Volume Output Thermostat, Direct Acting, Horizontal Mounting, 400 SCIM Flow Capacity, 20 SCIM Air Consumption, 13 to 25 Psig Supply Pressure, 55 to 85 Degree Dial Range