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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
it features a 1-21/32" extended shank designed specifically for tanks with thick insulation
this unit supports 120V
We recommend using it only on the specific York/Johnson Controls models listed in your technical manual for safety and performance
Ensure your chosen actuator includes a manual lever if override is required
which allows for precise adjustability and short blowdown
Aprilaire 4594 Limit Switch 318423-701 it features a 1-21/32" extendedThe 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