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Horstmann HRT4-B Battery Operated Electronic Room Thermostat

£54.00 £45.00
In stock
Delivery Time:
48 Hours
1 Year
Quick Code:
Order Line:
01977 663331
  • For use with a new installation or as a replacement
  • Ideal for use with combi boilers
  • IP Rating: IP30
  • Requires 2 x AAA Batteries 

Horstmann HRT4-B Battery Operated Electronic Room Thermostat.

The HRT4-B is a battery operated electronic room thermostat with TPI energy saving software - ideal for use as a replacement for an existing room thermostat. The HRT4-B has 3 amp volt free changeover contacts making it suitable for use with combi boilers as well as conventional mains operated equipment.

Temperature setting range 5-30C.The HRT4-B battery powered room thermostat is suitable for use in most types of heating system and is a perfect partner for use with Horstmann Programmers and Zone valves.

The HRT4-B will only operate when 2 x AAA batteries have been fitted and the thermostat is wired into your central heating system.

  • TPI energy saving software
  • For use with a new installation or as a replacement
  • 3 amp volt free change over contacts
  • Ideal for use with combi boilers
  • IP Rating: IP30
  • Requires 2 x AAA Batteries 

Order Code Description Dimensions Projection Operation
HRT4-B Battery Operated Thermostat H86mm x W86mm 36.25mm 2 x AAA Batteries

Our Delivery Charges and times are explained:


Delivery Charges
All deliveries have a standard charge of £7.99 + VAT up to 20kg. Where stated, certain products are delivered FREE of charge (mainland UK only*). Check the description of the desired product and if it says free delivery then you will not be charged for delivery*

Extra Charges
Where the weight is over 20kg we reserve the right to charge more dependent on product type and delivery postcode, our customer service team will be in touch and inform you of any extra charges before we despatch.

Delivery Times
All products will have a delivery time stated in their description. Next Working Day - these products will be delivered Next Working Day if ordered before 12.00, or in certain circumstances up until 4:00 pm. Please call if you require a Next Working Day and we will try our best to get it to you. Certain products will state within 48hrs, within 3 Days or within 5 days. These products will be delivered within the time stated. If you require delivery on a certain day please put this in the comments and we will aim to deliver on that day.

Certain products such as radiators are delivered after 5 working days, when purchasing a radiator please put in the desired delivery date which is 5 working days after ordering. In some cases, stock permitting, we can get radiators out sooner. Please call or put in the customer comments if you need something urgently and we will try our best.

Saturday Deliveries
We can arrange for a Saturday delivery for certain products, please call 01977 663331 for more details.

Please note: Although we will do our utmost to deliver your product in the time stated we cannot be held responsible for any unforeseen delays. Please do not book a plumber, electrician, etc until you have received the goods as we will not be held responsible for their time. Please read our terms and conditions for further details.

additional charges may be applicable dependent on your location please double-check with our customer service team

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