Honeywell Home Wireless Relay Box (BDR91T1004)

HONEYWELL BDR91T1004 EVOHOME WIRELESS RELAY. The Honeywell BDR91T1004 Wireless Relay Box is used with a range of Honeywell controls and provides the switching link between valves, pumps, boilers or other heat source and a number of Honeywell wireless products. The BDR91 is compatible with: CM927 Programmable Thermostat CM921 Programmable Thermostat Sundial RF2 range of Programmable Thermostats DT92E Wireless Thermostats Y87RF Wireless Thermostats Wireless Relay Box Controller Operates on the 868MHz frequency Offers enhanced functionality for controlling heat pumps, providing optimized performance and energy efficiency Capable of switching heating components with a maximum current of 5A Regulates the operation and intervals of starting and stopping the heat pump, protecting it from frequent switching and potential wear