Honeywell Q674B1034 Thermostat Subbase HVAC Control

Product Description

The Honeywell Q674B1034 Thermostat Subbase is designed for efficient HVAC system control. Compatible with multiple Thermostats, this Subbase facilitates a seamless transition between heating and cooling systems.

• Switch configuration includes Heat-Off-Cool settings.
• Fan control switch with Auto-On functionality.
• Designed for use with T874 multistage thermostats.

Product Highlights

This thermostat subbase is engineered to support multistage thermostat integration, offering terminals for various connection points including W1, W2, Rc, Rh, O, G, Y1, and Y2.

Product Information

Standard Information

• Brand: Honeywell
• MPN: Q674B1034

Technical Specifications

• Terminals: W1, W2, Rc, Rh, O, G, Y1, Y2
• Configuration: Heat-Off-Cool, Auto-On fan switch
• Compatibility: T874A, B, C, D Thermostats
• Category: HVAC Controls