Honeywell Homeexpert Programmable Thermostat

Product rating
4.5 out of 5 stars
Product code:
5017490588401

Current price

£68 was  £85.00

you save  £17.00

Honeywell Homeexpert Programmable Thermostat

Product code:
5017490588401
Honeywell Homeexpert Programmable Thermostat

Current price

£68.00 was  £85.00

you save  £17.00

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  • Home Delivery Order by 7pm (4pm Saturday & Sunday) for next day delivery.
  • Click & Collect Order by 7pm (4pm Saturday & Sunday) for next day Click & Collect - Select store
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Product Details

Product Information

  • The THR870 Programmable thermostat is designed to provide automatic time and temperature control of heating or cooling systems.
  • Ideal for Combi-Boilers - two wire, volt free output connections are ideal for use with combi-boilers.

Features and Benefits

The THR870 Programmable thermostat is designed to provide automatic time and temperature control of heating or cooling systems.

  • Adapted to your routine - The 7 Day Programmable Thermostat can be set differently for each day with up to 3 periods per day
  • Easy to Use - straight forward backlit display makes viewing easy, even in dimly lit rooms and hallways. Simple function buttons keep operation and programming simple
  • Easy to program - LoT™ (Line of Text) Display Technology ensures simplified programming and operation
  • Maximum comfort - The Precise Temperature Control is typically accurate to within 0.5ºC
  • Ideal for Combi-Boilers - two wire, volt free output connections are ideal for use with combi-boilers.

Technical Specifications

Technical specification of Honeywell Homeexpert Programmable Thermostat
Brand Honeywell
Model THR870CUK

Alternative product

Drayton Thermostat

Product code:
5016254105397
Product rating
2.5 out of 5 stars
Current price
£88

Help & Advice

BTU Radiator Calculator

Our BTU (British Thermal Units) calculator will help you to work out the heat requirement for your room, and recommend the number of radiators you will need to comfortably heat it.

What is a BTU?

A British Thermal Unit (BTU) is a measure of heat output from a radiator. Depending on the size of your room, the number and type of windows and what the room is used for, you'll need more or less heat. If you have a higher BTU requirement, it might be better to use more than one radiator to deliver the heat you'll need to a room. The total BTU output of several smaller radiators may meet your needs.

How do I choose the right radiator?

The BTU value of all our radiators is clearly labelled in-store and online, helping you find those which suit your requirements.

Step 1: Which room you are heating?
Step 2: What are the dimensions of the rooms?
Are you measuring in metres or feet?:
Length of room

Please enter the length of your room in your chosen units (metres or feet)

Width of room

Please enter the width of your room in your chosen units (metres or feet)

Height of room

Please enter the height of your room in your chosen units (metres or feet)

Step 3: What type of windows or doors are in the room?
Select all that apply:

Step 4: View your results

Your BTU result

How to guides

How to connect pipes and fittings

How to connect pipes and fittings

Pipes and fittings vary by home and by length, shapes and connectors. Thankfully, this is no longer a problem and there are lots of different solutions to make your pipework secure and reduce the risk of leaks.

Buying guides

Buyer's guide to plumbing tools

Buyer's guide to plumbing tools

Plumbing comes with a whole catalogue of specialist tools. If you're going to do the job, make sure you get the right ones.

Reviews 4.5  out of 5 stars

Honeywell Homeexpert Programmable Thermostat is rated 4.6 out of 5 by 5.
  • y_2017, m_9, d_24, h_4
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.3
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_5
  • loc_en_GB, sid_5017490588401, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_diy
Rated 5 out of 5 by from Excellent Item. Our new combi boiler had a thermostat but no time clock. British Gas wanted to charge £300 for their Hive system. This is what just about everyone wants and no ongoing monthly fees. If you have two wires to your old themostat, then this is for you. Just remove old thermostat and wire this up instead. An easily set up clock, with option to copy settings from one day to another. Large temperature display shows exactly what is going on. Buttons for Party Mode, Holidays and 'Day Off' to make temporary adjustments without disturbing main program. Exactly what I wanted. Recommended.
Date published: 2017-04-23
Rated 5 out of 5 by from Great features Easy to install, great features. Really easy to programme. I like that it has a party mode, and the holiday mode seems clever. Recommended!
Date published: 2017-02-11
Rated 5 out of 5 by from Really easy to install Excellent temperature controller, very easy to install and program. Particularly like the "party" and the "holiday" functions. Well worth the money.
Date published: 2013-10-03
Rated 5 out of 5 by from Brilliant Product... Good all round product, easy to fit, looks great.
Date published: 2012-01-04
Rated 3 out of 5 by from Not what I expected It doesn't regulate the temperature for each room. It's based downstairs in the corridor, next to the kitchen and the living room. The temperature upstairs in the 2 bedrooms is different. It gets really hot like a sauna, I can't breathe. We are expecting a baby. So the thermostat will not be useful for that. I will buy a thermometer to check the temperature.
Date published: 2016-10-26
  • y_2017, m_9, d_24, h_4
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.3
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_5
  • loc_en_GB, sid_5017490588401, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_diy

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