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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Precise Pressure Control: Specifically engineered for the 12-28" WC pressure range
the leads are insulated to 200°C to prevent premature degradation
bubbles may appear temporarily during startup or if the expansion valve is hunting
reducing wear on motor components
this HVAC control relay supports stable system cycling and dependable equipment control
Johnson Controls A99BC-25 Temperature Sensor Precise Pressure Control: Specifically engineeredThe Johnson Controls A99BC 25 is a high precision PTC silicon temperature sensor designed for demanding HVACR applications. Engineered with a passive PTC (Positive Temperature Coefficient) element, this sensor features a reference resistance of 1,035 ohms at 77? F (25? C), ensuring reliable performance when integrated with System 450, A421, and System 350 control modules. The A99BC 25 temperature sensor is equipped with a 9 3 4 inch high temperature