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  • Subbase T874
  • Subbase T874

Honeywell - Beige Multistage Subbase


Product Description

Multistage Subbase, Beige-Heat/Cool Sys.Thermostat Subbases provide wiring terminals, mounting base, and system and fan switching for T874 Multistage Thermostat.


Mount on wall or horizontal outlet box.

Adapter plate is available for mounting on vertical outlet box.

Subbases available without LED (light emitting diode) or with one LED.

Product Specifications

Application: Heating and Cooling systems

Mounting: Horizontal

Stages: 1 Heat/1 Cool

Used With: T874C, D

Supply Voltage: 20 to 30 Vac

Comments: O and B terminals are continuously energized in the AUTO mode. Includes field selectable inserts for LED.

Switching Positions(System): HEAT-OFF-COOL-AUTO-EM.HEAT

Switching Positions(Fan): AUTO-ON

Terminal Designations: W1, W2, G, R, B, O, Y2, Y1, E, X1, X2.

Changeover: Manual

Heat Current: 2.5A running, 7.5A inrush @ 30 Vac.

Dimensions(in.): 3 9/16 in. high x 5 5/8 in. wide x 5/16 in. deep

Dimension(mm): 91 mm high x 143 mm wide x 8 mm deep

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0.50 LBS
Calculated at checkout