Honeywell Programmable Room Thermostat 24 hour CM921

Product Information

I have a Ferolli boiler not even 2 years old with the Honeywell wireless thermostat control unit built on to the thermostat circuit, Not sure what you mean to be honest. The boiler is fixed, the thermostat is wireless and fires the relay to start stop the boiler when thermostat at temperature. That thermostat allows a several time periods throughout the day. The Pro Series Wireless Programmable Thermostat is a direct replacement for Honeywell CM927, CMS927 & CMS927B1049 7 Day Wireless Programmable Room Thermostat and will bind directly to the Intergas ECO RF, Xclusive and Xtreme range of boilers (see video below). Hello, my Honeywell CM921 Thermostat does not display properly, I can hardly see anything on the LCD screen.

Honeywell cmt921 24 Hour Wireless Programmable Thermostat

Allows flow and return temperatures to be reduced thereby increasing the efficiency of the heating circuit bolier is a Baxi it was only available for a few years because of issues with a seal and something else which to be fair we had replaced once under warranty and it’s been fine since(tempting fate). Pro Series Wireless Programmable Thermostat | Direct Replacement for Honeywell CM927/CMS927/CMS927B1049 Wireless Programmable Room Thermostat Pro Series Programmable Wireless Thermostat Box contains:The control unit/timer that is built into the boiler has been disabled so there is no chance that the boilers built in controller is conflicting with the honeywell wireless units.

Honeywell / Pro CM927 CM921 CM727 CM721 (Mk2 Hanicks Honeywell / Pro CM927 CM921 CM727 CM721 (Mk2

CM921 can be installed without disrupting your room decor as no wiring connection is required between the room unit and the boilerThe Pro Series Programmable Wireless Thermostat replaces the discontinued Honeywell CM927/CMS927/CMS927B1049. This is a 7 day wireless programmable room thermostat designed to control your heating system efficiently, providing comfortable temperatures when you are at home and energy savings when you are away. With wireless communication there is no need to provide a wired connection between the thermostat and boiler.

CM921 - User Guide - Sparesbase CM921 - User Guide - Sparesbase

The Honeywell Home Mobile Access Kit RFG100 consists of a Remote Access Gateway, UK / EU Power Adaptor and an Ethernet Cable. The RFG100 Mobile Access Kit plugs into your broadband router and allows the Y87RF2024 and T87RF2033 smart phone access and control with the Total Connect Comfort App.The CM921 thermostat is designed to provide automatic time and temperature control of heating or cooling systems. It can be used as part of a system in conjunction with combi boilers, oil-burners and gas fired boilers, circulation pumps, thermal actuators, zone values and electric heating systems Also this has gone on for months and months I have given up with my landlord and as I am buying the house anyway I 'd rather spare myself the hassle of speaking with him.