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Express delivery for Thursday Available Until 4pm Tomorrow
UK Mainland Only,
3pm cut-off for Highlands and Islands
1pm for Europe


 

 

 

 

Express delivery for Thursday Available Until 4pm Tomorrow
UK Mainland Only,
3pm cut-off for Highlands and Islands
1pm for Europe


Sentinel

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A general purpose treatment for total protection against scale and corrosion in all types of indirec..
£11.99
Ex Tax: £9.99
A unique life-long system treatment for the elimination of limescale and boiler noise. Safe to use ..
£17.17
Ex Tax: £14.31
Flushes out flux and installation debris from new indirect central heating systems and those up to ..
£17.17
Ex Tax: £14.31
A ruthlessly efficient way to eliminate the build-up of magnetite sludge X400 is the quick and easy..
£15.58
Ex Tax: £12.98
Sentinel X800 Jetflo Ultimate Cleaner is a heavy duty cleaning formulation designed to remove corros..
£14.38
Ex Tax: £11.98
The Sentinel X100 Test Kit is a simple way to check that a system treated with Sentinel X100 Inhibit..
£4.25
Ex Tax: £3.54
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Heating Controls Online is rated 4.90 stars by Reviews.co.uk based on 2815 merchant reviews

4.90 / 5 Rating
2815 Reviews
Always good value and a good service
Best price, rapid delivery, slick & informative website. Q&A section for each item can be very useful, especially in terms of compatibility (e.g. take a look at the Siemens CMV322 - which I have just ordered - if you want a branded example). I've tried other suppliers, but none have even come close.
Top service / received goods on time