Aprilaire 4750 Maintenance Kit 320074-702 This SPST normally closed control

This SPST normally closed control is a direct drop-in replacement for the Lennox 25J3001 and is critical for maintaining safe plenum temperatures

ensuring the system

The ASCO 8214G54 is rated for low-pressure applications between 0 and 5 PSI

Engineered specifically for M3 furnace series and compatible with brands like Intertherm

Aprilaire 4750 Maintenance Kit 320074-702 This SPST normally closed controlMaintain the peak efficiency of your whole home humidification system with the Aprilaire 4750 Maintenance Kit. This comprehensive humidifier service kit is specifically engineered for the Aprilaire 700 series, including models 700, 700A, 700M, 760, and 768. By replacing critical components annually, you ensure optimal moisture output and prevent mineral buildup that can lead to system degradation. The kit features a high performance Aprilaire 35 Water