Honeywell Programmable Room Thermostat 24 hour CM921

Product Information

If you have any questions about the Pro Series Wireless Programmable Room Thermostat, please contact us . It features a clear digital display and simple controls, making it easy to set schedules for heating and cooling systems. The Pro Series Wireless Programmable Thermostat can also replace a CM721, CM727, CM921 (CMS921B1042) or CM927 (CMS927B1049) room unit and will pair directly to an existing BDR91. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The boiler is fixed, the thermostat is wireless and fires the relay to start stop the boiler when thermostat at temperature.

Honeywell Thermostats | Screwfix Honeywell Thermostats | Screwfix

We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. The window sensor, isn’t a window sensor as such it’s looking at temperatures changing rapidly due to drafts and the video says it’s hit and miss on open windows so probably wouldn’t use that feature as such. Seen these have smart features app controlled , geo fencing and the like and can add individual radiator control later.Place the thermostat about one and a half metres above the floor, not in the sun and not on an outside wall. The Pro Series Wireless Programmable Thermostat is a BRAND NEW 2021 launched, 7 day programmable room thermostat designed to replace all existing Honeywell CM Series Wireless Thermostats.

HONEYWELL CM921 PROG R/STAT 24HR RF | Wolseley

Please note the older Honeywell HC60NG or R6660D (rectangular) wireless receivers will have constant wireless issues if you use them with the Pro Series Thermostat, and these receivers need to be replaced with a BDR91. so seriously considering this, radiator control is pricy, but if replacing the CM921 Ona like for like basis it probably works out cheaper for the new thermostat and receiver. The Pro Series Programmable Wireless Thermostat replaces the discontinued Honeywell CM927/CMS927/CMS927B1049. Available with or without digital displays all are easy to adjust and there are a large selection that are programmable, enabling you to control you heating when you are away.Especially if the sliding switch gets used all the time instead of letting the unit do its job it carries the risk of the switch not completely being in the "meant to be position" and therefore running a different program as intended. The Honeywell CM921 is wireless and can be controlled remotely using the Honeywell Total Connect Comfort app, available for iOS and Android devices. When installed with an Intergas boiler, it adds a further two years warranty to the boiler (subject to the system complying with BS 7593:2019 and registration at the. The Honeywell CM921 is a programmable thermostat designed for use in homes and small businesses in the United Kingdom. With a sleek modern design in gunmetal grey, the RTP6 can also be operated with the ESi Controls Centro App.