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Express delivery for Friday Available Until 4pm Today
UK Mainland Only,
3pm cut-off for Highlands and Islands


 

Express delivery for Friday Available Until 4pm Today
UK Mainland Only,
3pm cut-off for Highlands and Islands


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Horstmann CentaurPlus C21 (Series 2) 24-hour Programmer

Brand: Horstmann
HCO Code: 11A03
Price: £36.64
Ex VAT: £30.53
Stock: In Stock
Qty:  
   - OR -   
Q: Can this be used to replace a SwitchMaster 400 programmer?

A: Yes it can.
Q: will this fit onto centaur plus nlc21 without taking off backplate and wiring?

A: Yes it will.
Q: Hi i wamted to put the timer on for the hwating but i dont know if its meant to he selected to auto or off?

A: On 'auto' it will run as per the programme, on 'off' it will be permanently off.
Q: Hi, Can this be used as a replacement for a Sangamo M5? Choice is this or ChannelPlus H21 XL thanks, Keith

A: Yes it can
Q: Hi, will the centaur plus 21 fit directly in replacement of tiara 425?

A: No, you will need the H21XL or H27XL

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The C21 CentaurPlus two channel heating programmer offers 24 hour 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.
Newlec NLC21.

Compatible alternatives with same backplate & wiring:
Horstmann CentaurPlus C27 - 7 day version of C21

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Heating Controls Online is rated 4.90 stars by Reviews.co.uk based on 2083 merchant reviews

4.90 / 5 Rating
2083 Reviews
Prompt delivery and straight switch over with the old, failed part.
I saved nearly £25 and the item was delivered the following day for a very reasonable price.
First time buying from this retailer. Purchase went smoothly without any problem. Very quick delivery. Worth a recommendation from me.