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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
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 2217 merchant reviews

4.90 / 5 Rating
2217 Reviews
Very pleased quick response and delivery
I ordered four TRV's and required a next day delivery, which I paid for and had qualified to get. They should have been delivered before 6.30pm next day. I had hoped not to be the last delivery of the day but waited patiently. The tracking system said it was on board, so I waited at the job hoping it was just late. It did not turn up till the day after that and It was only luck that someone was in to receive them. I reported the incident to you and was told I would be refunded "the difference" (Which has not happened yet). I am disgusted that I paid for a delivery service that I did not get I.E. "Next day service" and have to pay at all for it. To be offered "The difference" is an insult and unjust. Don't advertise "Next day service" if you can't deliver it. I appreciate this is contracted out. I hope they are suitably dealt with, but as it is you who has been paid, you get the complaint. The products (TRV's) are fine and I have no complaint with them at all. Shame about the delivery service.
Great service, fast delivery (to Ireland!) and keen prices.