Johnson Controls A40EA-1 Temperature Control 30067439-890 the control module likely requires

the control module likely requires replacement

weak flame rectified signals

but the internal movement and calibration specifications remain identical

Key Benefits: Precise 240°F fixed temperature cut-off prevents catastrophic heat exchanger damage

What tools are required for a secure fit

Johnson Controls A40EA-1 Temperature Control 30067439-890 the control module likely requiresJohnson Controls A40EA 1 Temperature Actuated Pneumatic Switch, Opens on Temperature Drop, Automatic Reset, 15 55 Degree Setpoint Temperature Range, 5 Degree Differential, 1 8" x 20" Element, Screwdriver Slot Adjustment, 1 4" Barbed Fitting for Tubing A40EA 1 is identical to A40EA 1C