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


 

 

 

 

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


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 ..
£15.58
Ex Tax: £12.98
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
Many untreated or improperly treated central heating systems suffer from an accumulation of debris, ..
£53.40
Ex Tax: £44.50
Sentinel Eliminator Vortex 300: a compact unit designed to fit small spaces which retains more magne..
£90.00
Ex Tax: £75.00
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 2333 merchant reviews

4.90 / 5 Rating
2333 Reviews
Easy on line ordering arrived on time very competitive price
Good overview of products and clear details about each product. The possibility to ask a question and receive an answer within 24 hours was a real bonus. Once the order was placed it was easy to follow the parcel via links provided and delivery was quick and in time as advertised.
Delivered my order in less than a day!