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The York S1-025-42731-000 Reversing Valve is a critical 4-way solenoid-operated valve designed for precise refrigerant flow reversal in residential and commercial heat pump systems
For use with Ammonia
Flexible Installation: Features a standard rib on the right edge and inclusive bracket mounting to accommodate multiple furnace burner configurations
This sensor is designed specifically for air or non-conducting gases
OEM Compatibility: Exact drop-in replacement for specific Carrier and Bryant commercial units
Siemens Building Technology S55155-A108 Actuator 320720-756 The York S1-025-42731-000 Reversing ValveThe Siemens S55155 A108 Actuator is the reliable professional grade choice for terminal unit applications where fail in place functionality is a system requirement. Also known as the Siemens SSC131. 09U, this electromotoric linear actuator serves as the direct SSC81U replacement, providing a seamless retrofit for legacy Siemite MT series valves. Operating on 24VAC, it utilizes a 3 position floating control signal to drive a 6. 1 mm stroke with a