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Horstmann Centaur Plus Central Heating Programmer

Boiler programmers and timers, Central heating programmers and timers, 24 Hour mechanical programmers and timers, 7-Day Digital programmers and timers


CentaurPlus - Electronic Programmer



The CentaurPlus range of single and two channel heating programmers offers leading edge technology at an affordable price. Using the six terminal wall plate, CentaurPlus can be a straightforward plug in replacement for many other manufacturer's models

  • Inexpensive and easy to install
  • Simple to use
  • 3 Amp rated
  • Easy plug in replacement of any programmers that use a "standard" six terminal wall plate
  • Single and two channel models with 24 hour and 7 day options
  • Three ON and three OFF periods each day
  • Hot water boost and central heating advance
  • Mains powered with battery back-up
  • Programme options On 24hrs, OFF, All Day or Auto


Model   inc VAT

CentaurPlus C27   31.39
CentaurPlus C21   30.21
CentaurPlus C17   28.98
CentaurPlus C11   27.32


Single Channel
Two Channel
24 Hour
7 Day
CentaurPlus C27    
CentaurPlus C21  
CentaurPlus C17
CentaurPlus C11
Available Literature: Brochure & Datasheet

C11 & C17 Installation

C21 & C27 Installation

Operating Instructions

C11   C17   C21   C27




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