iQE 7 Day Programmable Room Thermostat with Li-Ion Battery Back-Up £20.10 @ screwfix
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iQE 7 Day Programmable Room Thermostat with Li-Ion Battery Back-Up £20.10 @ screwfix

35
Found 17th Nov 2015
iQE 7 Day Programmable Room Thermostat with Li-Ion Battery Back-Up

£122 on Amazon

The Digital Programmable Thermostat combines time and temperature control in a new, stylish design featuring a clear, backlit user interface.

This clever control uses the latest Time Proportional Integral (TPI) energy saving software for accurate temperature control. Set six different temperatures a day. The intuitive interface ensures your heating and hot water are easy to set up and use. Being battery powered, the Digital Programmable Thermostat is easy to use and suitable for replacing most existing room thermostats. The Digital Programmable Thermostat also comes with a 5 year parts and labour warranty for complete peace of mind.

7 Day Programmable
6 Target Temperature Settings per Day
Voltage-Free Contacts
TPI Temperature Control Software
Temporary Temperature Override
Target Temperature & Actual Room Temperature Indication
Frost Protection Setting
Tamperproof Security Code

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35 Comments
Does anyone if this can be easily installed in place of Manual circular thermostat?
This looks like a good deal but there don't seem to be any reviews/star ratings of it on Amazon or Screwfix. Has anyone on here found any reviews/ star ratings?
I like the fact that it can be locked with a PIN to prevent changes to the settings - that could save me the cost of the unit in a couple of weeks :-)
mario2001

Does anyone if this can be easily installed in place of Manual circular … Does anyone if this can be easily installed in place of Manual circular thermostat?



Two things spring to mind.

Firstly, if your existing thermostat just has two wires (plus a protective "ground" wire) going to it, then it should be simple. Thermostats with more wires than this are possibly best left to those that wouldn't need to ask.

Secondly, this thermostat has a rating of 8A AC (resistive), 1A AC (inductive). So, ideally, you would find what the rating of the existing thermostat, or get the boiler installation manual and find out what the required rating for a wall thermostat should be for it. If the replacement thermostat has the same or higher rating, that's fine.

Not to mention that you need to be very, very sure that the circuit doesn't have mains on it, when working on it.

Finally, this unit has excellent potential to minimise fuel consumption. Whilst it will almost certainly be no worse than the existing one - if set up properly it could save significant amounts of dosh. Not that the average plumber would probably bother to spend the time to do that.... Or am I being cynical?

Grrrrrrrrrrr

Two things spring to mind.Firstly, if your existing thermostat just has … Two things spring to mind.Firstly, if your existing thermostat just has two wires (plus a protective "ground" wire) going to it, then it should be simple. Thermostats with more wires than this are possibly best left to those that wouldn't need to ask.Secondly, this thermostat has a rating of 8A AC (resistive), 1A AC (inductive). So, ideally, you would find what the rating of the existing thermostat, or get the boiler installation manual and find out what the required rating for a wall thermostat should be for it. If the replacement thermostat has the same or higher rating, that's fine.Not to mention that you need to be very, very sure that the circuit doesn't have mains on it, when working on it. Finally, this unit has excellent potential to minimise fuel consumption. Whilst it will almost certainly be no worse than the existing one - if set up properly it could save significant amounts of dosh. Not that the average plumber would probably bother to spend the time to do that.... Or am I being cynical?



Thanks for detailed reply. Seems like it's beyond my skill set. Electrician installed the thermostat and the combi boiler was installed last year By plumber. I've ordered but will have to ask the electrician or plumber.
mario2001

Thanks for detailed reply. Seems like it's beyond my skill set. … Thanks for detailed reply. Seems like it's beyond my skill set. Electrician installed the thermostat and the combi boiler was installed last year By plumber. I've ordered but will have to ask the electrician or plumber.



​as grrrrrrrrrr said. (sorry if i got your name wrong (. you stat which you currently have would more than likely have the 2 wires. it is easly too see. take it off the wall and have a look. if it does this will fit perfectly i believe as it is battery operated meaning no mains live required. you need to connect the 2 wires from you old stat into this stat and it would work fine. meaning you can do it i would think. if on the other hand this stat requires mains live then leave it to a professional. hope this is of some help
i forgot to say the corcular type of stat only have 2 wires as this creats the link within the boiler
timetosurf

i forgot to say the corcular type of stat only have 2 wires as this … i forgot to say the corcular type of stat only have 2 wires as this creats the link within the boiler



Thanks. Do you know if any of the two wires will be live ie 210/ 240 volts? I remember electrician running wires from the boiler to the thermostats one downstairs and the second upstairs.
mario2001

Thanks. Do you know if any of the two wires will be live ie 210/ 240 … Thanks. Do you know if any of the two wires will be live ie 210/ 240 volts? I remember electrician running wires from the boiler to the thermostats one downstairs and the second upstairs.



​no if it has two wires they are the link wires to the boiler. basically the 2 wires tell the boiler to come on or off. if you tell me the make or tou boiler and the stat you have i may be able to help u firther
timetosurf

​no if it has two wires they are the link wires to the boiler. basically … ​no if it has two wires they are the link wires to the boiler. basically the 2 wires tell the boiler to come on or off. if you tell me the make or tou boiler and the stat you have i may be able to help u firther


its worcester 32 cdi
Edited by: "mario2001" 17th Nov 2015
I have one of these - it looks identical, but mine is a Horstman C-stat C-17M and is mains powered. It's great, my only minor gripes are:
- no battery backup, obviously not a problem with this one!
- you can only set the temperature to whole degrees (my old honeywell could be set to 20.5degC which was perfect)
ted209

I have one of these - it looks identical, but mine is a Horstman C-stat … I have one of these - it looks identical, but mine is a Horstman C-stat C-17M and is mains powered. It's great, my only minor gripes are: - no battery backup, obviously not a problem with this one! - you can only set the temperature to whole degrees (my old honeywell could be set to 20.5degC which was perfect)



​ok. now where does it take the power from? if it is from the boiler then the live power sould need to be disconnect but you would have to get a gas safe engineer do this if you have a gas boiler
Well as I said, unlike this one mine is mains powered, so it uses the live wire that comes out of the wall with the on/off wires. My previous thermostat was battery powered, so the live wire was terminated and not used and the thermostat just switched the other 2 wires.
I can't remember any more than that I'm afraid. I just wanted to make the point that the unit itself works well and I'm please I bought it (at £55!).
Out of stock for delivery and none in store anywhere near me.
None near me

If it is combi it should be easy. I can't recommend you to do it as i would get into trouble.

mario2001

Thanks for detailed reply. Seems like it's beyond my skill set. … Thanks for detailed reply. Seems like it's beyond my skill set. Electrician installed the thermostat and the combi boiler was installed last year By plumber. I've ordered but will have to ask the electrician or plumber.


I was about to buy the salus rt500f from fleabay, but it's £34 so this could be a bargain.
The Salus unit though has tons of reviews whereas I can find little about this.

Scratch that, no nearby stock at all.
Edited by: "Blueandy99" 18th Nov 2015
There doesn't seem to be a receiver with this ?
Great price - seems a bit stock limited though
Blueandy99

I was about to buy the salus rt500f from fleabay, but it's £34 so this … I was about to buy the salus rt500f from fleabay, but it's £34 so this could be a bargain.The Salus unit though has tons of reviews whereas I can find little about this.Scratch that, no nearby stock at all.



Hope you have more luck with the rt500f than we have. Ours has the wrong temperature as standard, it can be 4 degrees above the correct temperature so the boiler doesn't fire up when it should.
Pointless thread as they seem to be OOS.
neilc

Hope you have more luck with the rt500f than we have. Ours has the wrong … Hope you have more luck with the rt500f than we have. Ours has the wrong temperature as standard, it can be 4 degrees above the correct temperature so the boiler doesn't fire up when it should.


Yep I have trouble with my salus too, wont turn off when its supposed to and comes on at random times, just had it removed and thrown in the bin. Pointless
ted209

Well as I said, unlike this one mine is mains powered, so it uses the … Well as I said, unlike this one mine is mains powered, so it uses the live wire that comes out of the wall with the on/off wires. My previous thermostat was battery powered, so the live wire was terminated and not used and the thermostat just switched the other 2 wires.I can't remember any more than that I'm afraid. I just wanted to make the point that the unit itself works well and I'm please I bought it (at £55!).



I think this is mains powered also, with battery back up.
Rickardo

I think this is mains powered also, with battery back up.


No it's battery powered only.
ilikewatch

I like the fact that it can be locked with a PIN to prevent changes to … I like the fact that it can be locked with a PIN to prevent changes to the settings - that could save me the cost of the unit in a couple of weeks :-)


You gonna freeze your tenants to death?
How does this thermostat work with the existing heating timer? I assume no changes are required on the timer?

Thanks!
col996s

Pointless thread as they seem to be OOS.


Why is it pointless? It was in stock, I'm picking mine up today. It was popular, so it sold out!
kevinqian

How does this thermostat work with the existing heating timer? I assume … How does this thermostat work with the existing heating timer? I assume no changes are required on the timer?Thanks!


It will be best if you set your central heating programmer to constant and use this to control when it comes on and off. Or just set the temperature really low during the night instead.
Rickardo

I think this is mains powered also, with battery back up.


Nah, "Power supply: 2 x AA batteries." View the manual in a browser here.
I have the Salus S-series & love it. Very cool looking unit (pardon the pun) & works great.

I prefer units like this to Hive or similar app-controlled units. If I go away on holiday I don't want to have to leave my router on. With something like this I can just program it in advance. I appreciate some people need / like the flexibility of remote control but for me, this is better (not to mention cheaper).
Very easy to install.

*SWITCH THE POWER OFF FIRST COMPLETELY FOR SAFETY REASONS*

My old manual thermostat had 4 cables..... quick google showed I didn't need the neutral and earth.

The other is what they call Live and Switched Live.

Simple case of then finding the right slots for those two cables.... screwing them in.... screwing the whole lot back down.... testing it..... glass of wine..... watch TV!

Five minute job for me.... would've been quicker but I couldn't find a screwdriver at the time.
timetosurf

​no if it has two wires they are the link wires to the boiler. basically … ​no if it has two wires they are the link wires to the boiler. basically the 2 wires tell the boiler to come on or off. if you tell me the make or tou boiler and the stat you have i may be able to help u firther



Nothing to stop those link wires being at mains voltage though. IME most boilers do use mains voltage to connect to the thermostat. So you do need to be careful when changing a thermostat - switch off power to the boiler, or just switch off power to the entire property at the main switch.
benjus

Nothing to stop those link wires being at mains voltage though. IME most … Nothing to stop those link wires being at mains voltage though. IME most boilers do use mains voltage to connect to the thermostat. So you do need to be careful when changing a thermostat - switch off power to the boiler, or just switch off power to the entire property at the main switch.



​this is why i asked which boiler. many worcester and baxi are volt free but again depending on the boiler hence why i asked
col996s

Pointless thread as they seem to be OOS.


Not pointless at all, I got one from Trafford Park manchester, collecting tomorrow. Maybe you were a bit slow off the mark?
Rickardo

I think this is mains powered also, with battery back up.


It switches the mains on and off to the boiler ,but the device its self is battery powered.
Edited by: "morrig" 18th Nov 2015
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