Johnson Controls P499ACS-401 Pressure Transducer 319825-402 What symptom indicates a failing

What symptom indicates a failing unloader valve

Key Benefits: Precise 2-Stage Logic: Specifically designed to manage dual-stage gas valves and multi-speed or variable inducer motors for maximum comfort

making it ideal for quick field replacements and reducing the risk of heat damage to surrounding components

vertical orientation can affect diaphragm sensitivity

utilizing this genuine Source 1 component ensures exact mechanical fitment and original equipment performance standards

Johnson Controls P499ACS-401 Pressure Transducer 319825-402 What symptom indicates a failingThe Johnson Controls P499ACS 401 is a high precision electronic pressure transducer engineered for demanding HVACR applications. This stainless steel pressure sensor features a single piece machined 17 4PH construction, effectively eliminating the risk of refrigerant loss by removing O rings and welds from the pressure path. Designed with digital compensation, the P499ACS 401 operates reliably within a 1 to 8 bar pressure range, maintaining accuracy