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Saturday Delivery Available Until 4pm Today
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Saturday Delivery Available Until 4pm Today
UK Mainland Only


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
Sentinel Eliminator Vortex 300: a compact unit designed to fit small spaces which retains more magne..
£71.99
Ex Tax: £59.99
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 2443 merchant reviews

4.90 / 5 Rating
2443 Reviews
Advice given before part purchased. Swift delivery. Fair price
Quick and straight forward transaction
I've been dealing with Heating controls Online for a few years now. The prices have always been reasonable and the delivery times good, to my slightly remote location. The last delivery was exceptionally quick. I will be using them again.