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Honeywell 7 Day Programmable Thermostat CM707
|Price:||£66.20 & FREE Delivery in the UK. Details|
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Honeywell CM707 7 Day Programmable ThermostatThis is a simple to program, easy to use programmable thermostat which can control thge temperature and timing of the heat within your building, it is mainly used in households. With a large LCD screen it is clear to use the thermostat and is compatible with most combi boilers and central heating systems. Two wire, volt free connections are ideal for use with combination boilers. It can also be programmed upto 7 days. Features of the CM707:
- Battery powered
- Automatic Summer/Winter time change
- Optional backlight
- Energy saving TPI control
- Up to four independent time & temperature settings
- 1 day or 7 day hard-wired or wireless models
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Top Customer Reviews
The time & date are also easy to set, and there are 4 programmable time zones, which can be set in any day, at any temperature. Each day can be set with its own programme, or the programme can be copied to other days- so every day of the week can have the same programme- or you can have a different programme at weekends etc. There are also other useful features, such as automatic Summer/Winter time changing, & a maximum temperature limit setting. It can also be set to 'manual', where it acts as a simple digital thermostat without any timer features, or 'off' where the heating will only come on if the ambient temperature falls to 5°C to prevent freezing. Lastly, there is a 'holiday' button, where the unit can be turned off for a pre-set number of days.
It's attractive, and there is an openable cover which normally hides most of the buttons, except the ones needed for everyday functions. The pleasant blue backlight comes on when any button is pressed. It's hard to see how this device could be improved, as it seems to cover most options which anyone could need to control their heating system, so I've given it 5 stars. My only minor gripe is that it's a little pricey, but if programmed well, it should pay for itself with reduced energy bills.Read more ›
The real beauty of this unit is that you can leave the heating time clock on 24hrs, and control the whole thing through this without faffing around changing time schedules. The PI and optimisation functions are worth exploring (but make sure you research them first before changing the settings). They are particularly relevant for underfloor heating where there is a high, low response thermal mass (the floor slab) to control. I can keep the temperature at a base level, then give it a couple of hours boost during the day, and it will be up to temperature when I get home when it throttles back again and the residual heat keeps the room warm.
If you do use the PI function, leave it to self learn for a week or so before you change the temperatures and confuse it.....
Expensive item but it will definitely save on your fuel bills. If you have partners or kids who continually turn the heating up to it's maximum you can limit the highest temperature it can go to......very useful!
Easy to wire - just a live (usually from the time clock if you have one) and switched live to wire in. No need for a neutral as the clock is powered by the batteries. If you have a neutral in your old room stat it's normally for an accelerator / anticipator which mechanical stats need to improve accuracy. There may also have been one if your old stat has an indicator lamp. Anyway, you can just terminate this in the wall box (if you can track it I'd also disconnect the other end and leave safe just for consistency).
Fairly easy to programme - gives four different settings (temperature) a day at times to suit you - easy to repeat for repetitive days, or have separate settings daily as needed, eg weekends or regular early starts.
The optimising setting means that you do not have to guess how long it takes to heat up the house/room - well not much anyway.
Worth every penny of the extra cost over cheaper models.
Only reason I gave four stars instead of five is that the relay is quite noisy when switching, particularly compared to my previous thermostat.
Most Recent Customer Reviews
Great thermostat, it's done exactly what we want it to. Easily programmable even without the instruction manual. Read morePublished 10 months ago by R. King
Staringforward to install and use. Can't say if it's saving any money but it's doing it's job and looks reasonably stylish.Published 23 months ago by JohnW
Great product easy to use, compact design,fitting into tight spaces, easy to set up and faultless . A1 , will recommend .Published on 22 Feb. 2014 by D. P. Longman
Fairly easy to install, but you'll need to take some time over reading the instructions.
Recommend it, as it must save money over the heating bills.