Aprilaire 4793 Maintenance Kit 322838-752 upgrading to a 30 Amp

upgrading to a 30 Amp rated contactor provides a higher safety margin for the original 25 Amp load

providing the necessary low-voltage power for thermostats

using factory-spec assemblies like the 329117-704 eliminates the alignment issues common with universal aftermarket kits

System Integration: Optimized for 24-volt control circuits

Which boiler models are compatible with this maintenance kit

Aprilaire 4793 Maintenance Kit 322838-752 upgrading to a 30 AmpThe 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