Johnson Controls A19AAC-63 Utility Thermostat 30067439-890 Key Benefits: Precise Dual Calibration:

Key Benefits: Precise Dual Calibration: Factory-set at 0

This mechanism prevents the circulation of unfiltered air and protects service technicians from high-voltage electrical hazards during maintenance

the Johnson Controls A99 series is the standard sensing element for the A419 and A421 series

Is the P323654 compatible with my older Williams 11B136 manifold

a full unit replacement may be necessary

Johnson Controls A19AAC-63 Utility Thermostat 30067439-890 Key Benefits: Precise Dual Calibration:The Johnson Controls A19AAC 63 Utility Thermostat is a high performance remote bulb temperature control designed for demanding HVACR and industrial applications. This single stage temperature control features a wide operating range of 100F to 350F (38C to 177C), making it an ideal choice for high temperature cutout or operating control in boilers and industrial ovens. Engineered with a durable SPDT switch action (Single Pole, Double Throw), the A19AAC