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Fernox MB-1 Protector 4Ltr (97287)

4Ltr. Gives long-term protection of domestic central heating systems against internal corrosion and limescale formation. Prevents corrosion of all metals and is suitable for use on all types of boilers, radiators and pipework systems. Non-toxic.

  • 1 Year Guarantee

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£24.99INC VAT (£6.25/Ltr)
Was £29.99 Save £5.00 (16%)

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Fernox MB-1 Protector 4Ltr is rated 4.6 out of 5 by 141943.
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Rated 5 out of 5 by from Excellent Product had to drain down the system to move and change a radiator, first time system had been drained down in 20 years, had added this originally when system installed and water that came out was clear straw colour no black sludge or gunge, even took another radiator off to double check as did not believe. If this added this time around is as good as the original its excellent it does seem to make the system run quitter. Maidstone screwfix excellent waked in and out again 5min later deal done excellent staff on duty young lady who served excellent.
Date published: 2016-10-16
Rated 4 out of 5 by from Buy the best Best inhibitor on the market. Put it in and forget it.
Date published: 2016-09-24
Rated 5 out of 5 by from Still the go to product for CH This has long been the go to product for central heating corrosion inhibitor where there is an open header tank. Used in existing systems for over 30 years it has not failed - they are still running as well as ever - including the boilers! Maybe not PC re energy efficiency but it just shows how good this product is.
Date published: 2016-08-30
Rated 4 out of 5 by from Fernox/Screwfix Radiator had to come out for new wall panel. On draining found water to be turning dirty. Was over 6 years since serviced with Fernox protector. 10 minutes in car to Screwfix, available in stock, well priced and out in five. Back home, wall panel fitted, radiator painted, Fernox into the system and hopefully another 8 years of service from potterton boiler and system. Great having a screwfix store, extensively stocked and close bye.
Date published: 2016-04-03
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2 Questions  2 Answers

Screwfix Q&A

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25 Sep 2016
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Dawlish
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Answer: 
It will be quite difficult to dose via a radiator as the dose rate is 4% of your system volume (so 4 litres for every 10 single panelled radiator). You may find it easier to use Fernox F1 express which can be injected in directly (dose rate of 1 can for every 10 single panelled radiator)
27 Sep 2016
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3 Aug 2015
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Derby
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, Electrician
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Answer: 
The recommended ‘in-use’ concentration of the product is 4%. Fernox state that that one 4 litre bottle of the MB-1 protector will protect an average sized system (up to ten radiators).
4 Aug 2015
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Yeovil
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  • 2016-11-18 T05:37:31.773-06:00
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Specification
Brand Fernox
Manufacturer Guarantee 1 Year Guarantee
Manufacturer Guarantee 1 Year Manufacturer's Guarantee
Manufacturing Standards KIWA
Model No MB-1
Pack Size 1
Pieces in Pack/Case 1
Pieces in Pack/Case 1
Product Type Protector
Sealant Adhesive Volume 4 Ltr
Volume 4 Ltr

KIWA.

Downloads

Safety Data Sheet (COSHH)