DEVIreg 550 Programmable Thermostat (White)

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DEVIreg 550 Programmable Thermostat (White)
DEVIreg 550 Programmable Thermostat (White)
DEVIreg 550 Programmable Thermostat (White)

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Part Code: 140F1060

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DEVIreg Touch Programmable Thermostat (Pure White)DEVIreg Touch Programmable Thermostat (Pure White)£80.84

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£72.95 exc VAT
RRP: £99.29
Product Qty Total: £0.00

Underfloor Heating UK

Product overview

Weight 0.27 Kg

DEVIreg 550 Compatible Replacements

Harmoni 50

DEVIreg Touch

The DEVIreg 550 will improve and optimise your heating system with an adjustable maximum temperature that must be used when installing heating in connection with wooden floors. You do not need to worry about the effect on your heating system if you open a window as the DEVIreg 550 will not react to a very sudden fall in temperature, because it is most likely just a temporary occurrence.


This product can be used in conjunction with DEVImat and DEVIcomfort products.


DEVIreg 550 uses a sophisticated, unique regulator which enables DEVIreg 550 to work actively with comfort parameters, room temperature and economy in order to improve on comfort and, at the same time, save on energy.

When the outdoor temperature drops, any thermostat controlled heating system will react by compensating the greater heat loss by increasing the floor temperature. DEVIreg 550 however, is programmed to understand that if the floor temperature is higher, the air temperature can be lowered a little - at the same comfort level. So, if the floor temperature is increased by +1°C, the air temperature will be decreased by -0.2°C, thus saving up to 10% energy compared to ordinary thermostats.

DEVIreg 550 Compatible Replacements

Both of which are the ideal replacements and both work with your existing floor probe.

Technical specifications

Battery backup100 Hours
Dimensions36 x 36 mm
Economy set-back0 to 30 deg c
Height36 mm
Inductive Load1amp (Power Factor 0.3)
IP RatingIP20
Off-SetMinus 5.5 to Plus 5.5 degc
Operation voltage180-250volts 50/60HZ
Product TypeThermostat
Resisitive Load250v - 16amps
Sensing UnitNTC: 15komhs @ 25deg c
Thermostat TypeDigital Thermostats
Wi-Fi CompatibleNo
Width36 mm

Product downloads

DEVIreg 550 Quick Guide

File Size: 2.84 MB

Product reviews

4.492% Positive (12 reviews)

Ratings based on data collected by third party reviewing platform.


Trusted Customer
27 September 2015 07:38


I am living in Ireland & I ordered a part , I received the part within 2 days, as promised ,and got a text message telling me the time it would be delivered to my home. Excellent service .

Thank you for taking the time to leave your feedback. We are very pleased to hear that you are happy with our service and your new DEVIreg 550 thermostat. Please don't hesitate to contact us if you require any further assistance.

Hannah Boother
Customer Service Manager


Trusted Customer
29 August 2015 19:58


Delivery was on tiime , good price ,good product. Will use them again

Fantastic, thank you for your review of the DEVIreg 550 programmable thermostat.

Customer Service Manager


Trusted Customer
22 August 2015 23:29


delivered next day at midday for free, first rate service, thank you.

Thank you very much for your review. Our free next day delivery is very popular for its reliability and efficiency.

Customer Service Manager


Trusted Customer
15 August 2015 09:38


Excellent quick dispatch and delivery

Thank you for your great feedback.

Customer Service Manager


Trusted Customer
7 August 2015 08:42

Product was new as advertised and arrived in good order.

Web site is very friendly and response to order was very good.

Thank you for reviewing the DEVIreg 550 programmable thermostat, it is a great thermostat.

Customer Service Manager


Trusted Customer
22 July 2015 17:06

Good service

Very prompt

Great feedback, thank you.

Customer Service Manager


Trusted Customer
13 July 2015 07:06

Not fitted yet but as a replacement should be fine

Very quick and efficient

Thank you for your positive comments.

Customer Service Manager


Trusted Customer
15 June 2015 11:44

Having (eventually, and after much head scratching) become familiar with the product (it's my second!!), I still find programming it a difficult, time consuming and most frustrating process that leaves much to be desired. The man-machine-interface is worthy of being an example of what not to do. The design department need to familiarize themselves with the principles of ergonomics and bring human factors into the design process. Multi-function keys have a role, but they do have their limitations; this design has exceeded those limitations. How about a separate control to switch between programmes (there is space on the panel for two more)? In summary, it needs to be made a lot more user friendly.

Very prompt response - service couldn't be faulted.

Thank you for your review.
If you need any technical assistance when setting up your thermostat, please call us on 01473 559087, and we will be more than happy to help.

Customer Service Manager


Trusted Customer
14 June 2015 17:53

Never had an issue with any of the products

Always very fast service and always have in stock

Thank you for reviewing us as excellent.

Customer Service Manager


Trusted Customer
14 June 2015 15:55

The right product at a reasonable price

Prompt an efficient service.

That's fantastic to hear, thank you very much for your positive comments.

Customer Service Manager

Frequently asked questions

The DEVIreg touch programmable thermostat is a perfect replacement for the DEVIreg 500 thermostat and directly compatible with the existing floor probe. However, the connections may need a qualified electrician to adjust the wiring as the base plate is different.

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