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Find great deals for Honeywell CM Wireless Programmable Room Thermostat. Shop with confidence on eBay!. Two wire, volt free connections are ideal for use with combination boilers. Wireless communication between thermostat and receiver box. | eBay!. Honeywell CM Thermostat at competative prices.

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What is the guarantee period?

Hydronic Balancing Protecting the Heating System. Will usually dispatch within 1 working day of receiving cleared payment – opens in a new window or tab.

Enter your email to be informed when this product arrives: It is 1 year from date of purchase, or 18 months from date of manufacture – whichever is the longer. Yes, please see the link below. Yes, you cmm927rf wire two zones valves in parallel to the receiver, or order a second receiver and have it control both receivers. You’re covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing.

Drinking Water Protection Thermal Disinfection of hot water. The CM series honeyweol be used to control the heating circuit in a Sundial S or Y Plan and is particularly well suited to control combination boiler installations or additional zones in a S Plan Plus honeyaell.

Enter the code in the box below: The CM is for use where heating needs are different from day to day. Two wire, volt free connections are ideal for use with combination boilers. I’m afraid not as the Honeywel is battery powered, but the receiver is mains powered, so you will need a mains connection.


What do I do? Postage cost can’t be calculated. It has a fault – it only takes 30 seconds to add a minute to the time, so it goes from 9am to 10 am in 30 minutes!

If my honeywell wireless display is faulty. Yes, but you will need a separate control for hot water. Ratings and reviews Write a review. Image Description Product Type Downloads. Add to Watch list. This item doesn’t belong on this page. Learn More – opens in a new window or tab Any international postage and import charges are paid in part to Pitney Bowes Inc.

Honeywell CM RF Thermostat

If the light on the receiver is staying on, then it is likely to be a communication fault. I have a cm works fine but digits on control screen faded some figures not eligible.

There is no need to change the receiver. The original batteries have leaked! Gravity fed, pumped chg and dhw.? To view Google Analytics privacy policy see here http: I have just moved house and the instruction booklet is not available.

This item will be sent through the Global Shipping Programme and includes international tracking. My CM permanently displays 32c room temp irespctive what the actual room temp is?

Honeywell CMT927 (CM927) Wireless Programmable Room Thermostat

Most purchases from business sellers are protected by the Consumer Contract Regulations which give you the right to cancel the purchase within 14 days after the day you cj927rf the item. Sounds like you have a faulty unit which needs to be replaced. Is this compatible with a Biasi Garda M96 combi boiler? Learn more – opens in new window or tab. Unfortunately there is no wireless controller that will work c927rf the Smartfit system. I’d say don’t take the risk and choose a different make.


Get the item you ordered or your money back. Do I need the stat and receiver honeywell or just stat? The Siemens receiver will connect to the same 4 wires. The CM can provide a different heating programme for each day of the week to maximise energy efficiency.

Honeywell CM Manuals

Two wire, volt free connections are ideal for use with combination boilers. International postage paid to Pitney Bowes Inc.

You will need to replace it. This site uses cookies to improve your experience. Disabling cookies can reduce the site’s functionality. This is an energy efficiency feature that adjusts the start time of your heating system depending on how cold it is. Can I get it repaired or can I buy a new controller without replacing the receiver unit?

Is the wiring the same in terms of number wires that the Honeywell B uses? Time for a change of brand, or another of these, once it fails enough for my heating insurer to deem it a breakdown and decide what to do. Immediate payment required for this item. Yes you can buy the receiver.

Used these many times for customers, now using one for myself.