Aprilaire 62 Humidistat 321894-709 though it is primarily optimized

though it is primarily optimized for the cooling circuit

This Fenwal ignition module is a common replacement in forced-air furnaces

high-contrast face allows for rapid visual inspections during routine maintenance or boiler troubleshooting

Common Questions What is the difference between Lennox 93M04 and 93M0401

trapping debris that causes arcing in electronic cells or clogging in pleated media

Aprilaire 62 Humidistat 321894-709 though it is primarily optimizedThe Aprilaire 62 Humidistat is a high performance Automatic Digital Humidifier Control specifically engineered for steam humidifiers like the Aprilaire 800 and 865. This sophisticated HVAC humidity controller features an outdoor temperature sensor that enables "set it and forget it" operation by automatically adjusting the indoor relative humidity setpoint based on external conditions. By monitoring outdoor fluctuations, the Aprilaire 62 prevents