Honeywell Prestige® Interface Module, Electronic, 4 Stages Heat, 2 Stages Cool, Terminal Designations: R, RC, RH, C, W-O/B, W2-AUX1, W3-Aux2, Y, Y2, G, A-L/A, U1, U1, U2, U2, U3, U3, S1, S1, S2, S2, S3, S3, S4, S4, A, B, C, D, 18 - 30 VAC, Hardwired, Vertical Mount, Gray, 9-5/16 Inch H x 4-13/16 Inch W x 1-5/8 Inch D, Includes: THM5421R1021 Equipment Interface Module
- Three sets of universal IAQ contacts to control humidification, dehumidification, and ventilation
- Four sensor inputs for wired sensors or dry contact devices
- Used with all versions of Prestige® IAQ thermostats and the new RedLINK™ VisionPro thermostats
Application: Gas, Oil, Electric, Heat Pump, Forced Warm Air, Hot Water and Steam or Gravity