Aprilaire 4792 Maint Kit 319825-402 the switch monitors the draft

the switch monitors the draft created by the motorized blower

this venter motor assembly replaces legacy part numbers including 116G24 and is found in common furnace series like the NTP6

Durable Construction: High-quality cast bronze body and brass internals provide superior resistance to scaling and corrosion in non-potable water systems

provided the diameter is standard

effectively preventing "nuisance" cycling under unsafe conditions

Aprilaire 4792 Maint Kit 319825-402 the switch monitors the draftThe Aprilaire 4792 is a comprehensive humidifier maintenance kit specifically designed for Aprilaire 500 series models, including the 500, 500A, and 500M. Maintaining optimal humidity levels is essential for home comfort and structural preservation, and this genuine replacement part package ensures your system operates at peak evaporative capacity. The kit features the high performance Aprilaire 10 water panel, alongside crucial components such as the