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Designed for high-cycle industrial and commercial environments
providing the necessary low-voltage power for thermostats
large unit heaters
When a zone thermostat calls for auxiliary heat in dual fuel mode
Aprilaire 4793 Maintenance Kit 322838-752 Designed for high-cycle industrial andThe Aprilaire 4793 Maintenance Kit is a comprehensive solution designed specifically for servicing Aprilaire 550, 550A, and 558 humidifier models. This genuine OEM kit ensures your whole home humidification system operates at peak efficiency by replacing essential internal components that degrade over time due to mineral buildup. Included in the Aprilaire 550 humidifier repair kit is the high performance Aprilaire Water Panel 10, a new scale control