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Product Details

3 in 1 system protector. Dissolves contaminants to a minute size and floats in the system. Provides long term protection. Easy to use and add when cleaning is not appropriate.

Technical Specification
Brand Calmag
Safety Data Sheet click here
Safety Data Sheet click here
Delivery details
Order value: Under £10 £10 & over
Express usually Next Business Day before 6pm £5 Free
Turbo usually Next Business Day before 12 noon £10 £5
Remote areas standard delivery (2-4 days) £5 Free
Order Value: Under £25 Over £25 but less than £75 £75 & Over
£10 £5 Free


Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details
If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 5 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 9pm Mon-Fri (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Reviews
Central Heating Cleanser / Descaler & Inhibitor is rated 4.9 out of 5 by 52.
Rated 5 out of 5 by from Excellent Bought and added to my system, and no need to flush out, as you have to with other cleaners.
Date published: 2020-02-23
Rated 5 out of 5 by from Excellent combination product Having had my heating system partially drained following a boiler repair, I chose this product based on the previous positive reviews. I have a gravity fed system, but rather than pouring the bottle into the header tank, I chose to add half the product through the MagnaClean filter reservoir. Then a week later, I added the second half the same way. The difference is noticeable. Within a day, the system was noticeably quieter, and now two week later, I no longer have to vent the system either. Good value. Very pleased.
Date published: 2020-01-26
Rated 5 out of 5 by from Excellent product Been a heating engineer for 35 years, this is by far the best protection in a bottle for your heating system, does what it says on the tin, and can be left in the system. Why waste hundreds on fancy power flush machines, when you can use this excellent product!
Date published: 2020-01-12
Rated 5 out of 5 by from Excellent Long Term Use Long Term Use of this is excellent no wonder it is used by so many plumbers in the trade
Date published: 2019-12-06
Rated 5 out of 5 by from Good stuff used it before . Used it before seems to do the job well , and reasonably priced.
Date published: 2019-12-04
Rated 5 out of 5 by from Great product and fast delivery A* Fantastic does exactly what it says on the bottle
Date published: 2019-11-29
Rated 5 out of 5 by from Based On Reviews Excellent Stuff I purchased this central heating cleaner based on all the produce reviews and very good price. I only added the cleaner to the system yesterday so its hard to say how effective its been until next year when I drain down the system again.
Date published: 2019-11-14
Rated 5 out of 5 by from Great product Best product I've bought in a while .
Date published: 2019-11-01
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