Hortsmann CentaurPlus C27 Programmer with Li-Ion Battery Back-Up Product Code: 68934

Separate timing. 5-wire installation. Override facility. Automatic BST/GMT time change. Boost function.


  • 7 Day Programmable
  • Digital Display
  • 3 On/Off Periods per Day
  • Suitable for Gravity-Fed & Pumped Systems
  • 2 Year Manufacturer's Guarantee
  • 1 Pre-Set Programme
  • IP30
  • Automatic BST/GMT Time Change
  • 2 Year Manufacturer's Guarantee (T&Cs Apply)


Switch/contact rating: 3(1)A at 230V. Temperature range: 0-40°C. H x W x D: 84 x 150 x 29mm.
Additional Information
Technical Specification
  • Brand : Horstmann
  • Product Height : 84 mm
  • Display Type : Digital Display
  • Product Type : Programmer with Li-Ion Battery Back-Up
  • Programme Facility : 7 Day Programmable
  • Central Heating Control Type : Programmers
  • Model No : CentaurPlus C27 Programmer
  • Product Width : 150 mm
  • Temperature Range : 0-40 °C
  • Product Depth : 29 mm
  • Pack Size : 1
  • Suitable System : Suitable for Gravity-Fed & Pumped Systems
  • Installation Type : 5-Wire Installation
  • Power Voltage Supply : 230 V
  • Manufacturer Guarantee : 2 Year Manufacturer's Guarantee (T&Cs Apply)
  • Pieces in Pack/Case : 1
Product Contents
Delivery & Returns


Standard delivery service up to 3 working days: €8.95

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€42.95 Incl. 23% VAT

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Hortsmann CentaurPlus C27 Programmer with Li-Ion Battery Back-Up is rated 4.3 out of 5 by 46.
Rated 5 out of 5 by from Hortsmann CentaurPlus C27 good value . replaced potterton timer only little snag was cable space asold timer had complete room for cables and only half here so took time to reorganise cables.
Date published: 2016-02-12
Rated 4 out of 5 by from Good timer Straight swop for 15 year old timer. Plugged in no problems. Instructions for use looked complicated. I was wrong worked through them with no problems and its great that I wont have to change to summer time. Here's to another 15 years so we will wait for reliability to have more stars.
Date published: 2016-01-14
Rated 5 out of 5 by from Great product Purchased to replace a failed Honeywell. easy to program, I love the HW boost button also the advance button for the CH. Overall it is a great purchase.
Date published: 2015-10-30
Rated 5 out of 5 by from good quality programmer/timer purchased to replace an old danfoss 3060 good instructions supplied easily fitted
Date published: 2015-10-15
Rated 5 out of 5 by from Nice little programmer Got this to replace an old central control programmer. easy to fit and re wire, simple instructions. Works well, and has far more timing facilities than my old programmer.
Date published: 2015-09-14
Rated 5 out of 5 by from Horstmann CH C27 timer Excellent product, low price, replaced an old analog Randal 3060 5 wire mercury switch control. Back plate easy to fit and wire up, clear wiring diagram supplied with instructions. I have no hesitation recommending this product.
Date published: 2015-08-13
Rated 4 out of 5 by from Bit early to say but Only been fitted 2 days ,It went straight into the old universal back plate and seemed ok,I was a bit unsure about the battery at the back,
Date published: 2015-05-29
Rated 5 out of 5 by from Great I got this to replacement my ancient one which is now obsolete. It does exactly as it says and connected straight to existing wires and price was cheapest I could find!
Date published: 2015-04-23
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