Honeywell THM4000R1000 4-Zone Wireless Adapter

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Honeywell THM4000R1000 Wireless Adapter for TrueZONE and TrueSTEAM Products Wireless Adapter allows you to easily add RedLINK™ enabled thermostats to a TrueZONE zoning systems and select TrueSTEAM humidifiers (HM506W1005, HM509W1005, HM512W1005 without running new wires). Specifications: Mounting - Mount Wireless Adapter on wall near HVAC equipment or on the duct. Color - Gray Power Method - Hardwired Terminal Designations - A, B, C, D Dimensions (in.) - 5 9/16 in. high x 4 3/8 in. wide x 1 1/4 in. deep Dimensions (mm) - 141 mm high x 112 mm wide x 32 mm deep Operating Temperature Range (F) - -40 F to 165 F Operating Temperature Range (C) - -40 C to 73.9 C Operating Humidity Range (% RH) - 5 to 95% RH, non-condensing