it detects obstructions in the exhaust path and immediately triggers a system shutdown to prevent the accumulation of flue gases or dangerous overheating

ensuring a leak-proof seal in compatible air cleaners

as long as the primary and secondary voltages match (460/230)

If the board receives signal but fails to energize the contactor or fan relay

Unlike legacy thermostatic expansion valves

Aprilaire 62 Humidistat 326010-701 it detects obstructions in theThe 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