protecting sensitive control board circuits and motors from voltage drops

Common Questions Is the S8401-007 a direct replacement for the 8401-007

With a versatile operating range of 0

making it the reliable choice for technicians who prioritize system uptime and efficiency

This unit serves as the direct replacement for S1-025-51474-000

Aprilaire 4655 Humidifier Control 322838-752 protecting sensitive control board circuitsThe Aprilaire 4655 Humidifier Control is a reliable, manual humidistat designed to provide precise low voltage 24V management for your central heating and cooling system. This essential HVAC humidity sensor utilizes a highly sensitive mechanical nylon ribbon filament that expands and contracts based on moisture levels, ensuring your whole house humidifier operates only when necessary. By manually adjusting the relative humidity (RH) setpointtypically