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The compressor is pre-charged with Polyol Ester (POE) oil and is built with a compact frame (7
Rated at -0
We recommend using it only on the specific York/Johnson Controls models listed in your technical manual for safety and performance
By consolidating ignition
MA-318-0-0-3
Aprilaire 4594 Limit Switch 318423-701 The compressor is pre-charged withThe Aprilaire 4594 Limit Switch is a critical safety component designed for high performance Aprilaire humidification systems. This genuine High Humidity Limit Switch serves as a reliable manual reset safety switch, engineered to prevent excessive moisture accumulation and potential water damage within your HVAC ductwork. By monitoring humidity levels directly, the Aprilaire 4594 ensures your system operates within safe parameters, providing essential