Johnson Controls A-4000-608 O Ring Key Benefits Precise Thermal Protection:

Key Benefits Precise Thermal Protection: Calibrated to trigger at exactly 350 degrees F to provide immediate circuit interruption during a flame rollout

This filter utilizes a simple 3/16 inch barbed connection (often referred to as 1/4" NPT equivalent in specific manifold setups) for rapid installation between the main supply line and the controller

If voltage is present but the 1-pole contactor fails to pull in

ensuring a secure and leak-free fit when properly seated in the pilot bracket

This specific model features an operating range of 230

Johnson Controls A-4000-608 O Ring Key Benefits Precise Thermal Protection:Johnson Controls A 4000 608 O Ring, Single Piece