Image is for illustration only and should not be relied upon Secure (Horstmann) CentaurPlus C27 (Series 2) 7-day Programmer
Secure (Horstmann) CentaurPlus C27 (Series 2) 7-day Programmer

Secure (Horstmann) CentaurPlus C27 (Series 2) 7-day Programmer

1 reviews
£107.99
Ex VAT: £89.99
Brand:
HCO Code: 23C06
Availability:  In Stock

Horstmann are now known as Secure Controls

The C27 CentaurPlus two channel heating programmer offers 7 day programming at an affordable price.

* Complete with new backplate
* Inexpensive and easy to install
* Gravity or Fully Pumped system setting
* Simple to use
* Part L Compliant
* 3 Amp rated
* GMT /BST automatic clock (New)
* Back lit display (New)
* Three ON and three OFF periods each day
* Hot water boost
* Central heating advance
* Mains powered with battery back-up
* Programme options On 24hrs OFF All Day or Auto
* Dimensions 84x150x29mm HxWxD

Replaces (same backplate and wiring for easy swapover):
Honeywell C21 C27.
Newlec NLC21 NLC27.
Horstmann CentaurPlus C21
 

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  • The removable jumper under the backplate switches the programmer between gravity and pumped systems.

  • It sounds like you have the obsolete C27B.  This will not be suitable to replace it.  You will have to wire up a compatible control externally like the H27XL.
  • Yes it will. You will need to replace the backplate but terminal connections are the same.
  • Press the SET and CH buttons together to reset the unit.  If this doesn't work, then it will need replacing.

  • You will need to change the backplate, but is is still a fairly simple swap.

  • It is just a timer, so needs a seperate thermostat.

  • It means you can program each day of the week separately.
    24 hour means every day is the same.
    5/2 day means you program weekdays and weekends.

  • Yes it is.
  • It would require backplate replacement.  I would recommend the H27XL as a plug-on replacement instead.
  • It is on your left as you look at it (the programmers right).

  • It sounds like a motorised valve failure instead.
  • Yes you can.
  • Yes it is.
  • Hi. Yes it will.
  • Yes it is.
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