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


 

 

 

 

Express delivery for Tuesday Available Until 4pm Monday
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 2421 merchant reviews

4.90 / 5 Rating
2421 Reviews
Very pleased with our purchase with the staff being helpful. We shall certainly recommend and use their services in the future.
Very efficient. ordered and delivered within a week. thank you.
I purchased a heating valve from Heating controls online. It was a genuine unit not a copy and was delivered very quickly. Has now been fitted and all working fine. Thank you.