The Honeywell Q674C1058 is a multistage thermostat subbase that integrates with F8774A, B, C, D, E, and F thermostats. It allows easy switching between Off and Auto modes with its system switch. The fan switch offers both Auto and On settings. This subbase is essential for managing HVAC systems efficiently.
Multistage thermostat subbase.
System switch with Off and Auto modes.
Fan switch with Auto and On settings.
Product Highlights
This product enhances HVAC control with its reliable switching capabilities.