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ensuring the thermostatic expansion valve reads only the suction line temperature
It features a factory-set 30-second prepurge (30 SecPP) to clear the combustion chamber and a 15-second trial for ignition (15 SecTFI)
maintaining precise superheat regardless of internal friction losses
reducing installation time and parts count on the job site
Johnson Controls VA-7482-8002-RA Actuator 322027-701 ensuring the thermostatic expansion valveThe Johnson Controls VA 7482 8002 RA is a professional grade proportional valve actuator engineered for high accuracy positioning in commercial HVAC systems. Operating on a 24VAC DC power supply, this non spring return (NSR) unit delivers a minimum of 120 N (31. 4 lb) of force, making it an ideal choice for managing pressure independent control valves (PICV) and standard terminal unit valves. The integrated auto stroke detection technology ensures the
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