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The Johnson Controls STT18A-600R Seat Repair Kit is a critical maintenance component designed for the V46 Series Pressure Actuated Water Regulating Valves
It is also documented for use in some 78 and 86 Series models
For many hard start kit applications
always handle the unit by its ceramic base to prevent skin oils from contaminating the element
Key Benefits for Technicians: Precise Thermal Protection: Factory-calibrated 150°F cut-out prevents system overheating and protects the heat exchanger from thermal stress
AERCO 124362 Board 322838-753 The Johnson Controls STT18A-600R SeatThe AERCO 124362 Board is a critical Power Supply Board engineered specifically for high efficiency AERCO boiler systems, including the Benchmark and Innovation series. Ensuring stable electrical distribution, this HVAC replacement part acts as the central hub for voltage regulation, protecting sensitive internal components from power surges. By utilizing authentic AERCO boiler parts, technicians can maintain the precise combustion control and
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