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Fernox F1 Central Heating Protector 500ml (77218)

Provides long term protection of domestic central heating systems against internal corrosion, limescale formation and bacterial contamination. Prevents corrosion of all metals. Use on all types of boilers, radiators and pipework systems. Non-toxic.

  • Stops Frequent Venting of Radiators
  • Prevents Bacterial Contamination
  • Prevents Bacterial Contamination

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Qty Price per item
1 - 2 £14.99 (£29.98/Ltr)
3 + £13.48 (£26.96/Ltr)
£14.99INC VAT (£29.98/Ltr)
Was £18.99 Save £4.00 (21%)

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Fernox F1 Central Heating Protector 500ml is rated 4.9 out of 5 by 26.
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Rated 5 out of 5 by from Best there is Never had any problems with the heating system when using this.
Date published: 2016-12-03
Rated 5 out of 5 by from Excellent product Best inhibitor on the market, very concentrated, will definitely save you some money on your bill.
Date published: 2016-11-21
Rated 5 out of 5 by from Always does the job One of the few products you don't have to search around making comparisons. Just pay the best price you can get and this product won't fail you. Fortunately Screwfix often offer the best price so with their Click&Collect you can't go wrong.
Date published: 2016-11-12
Rated 5 out of 5 by from Excellent Stuff I've always used this stuff and it seems to work well - limiting scum in the system. I'm renovating a house - slowly - and use this on a regular basis as I have to drain and then top up the system after doing each room. Screwfix prices are normally pretty good so I add it onto the order - along with one of their radiators and a nice shiny Drayton TRV4
Date published: 2015-12-11
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4 Questions  4 Answers

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Is it a problem to exceed the recommended concentration?
2 Nov 2016
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Aberystwyth
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Answer: 
Hi FreLa, no no problem at all
2 Nov 2016
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8 Aug 2016
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Bristol
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Answer: 
Hello Cosmin. The Protector F1 does not have an expiry date, but does have a manufacture date printed in MM/YY format on the front of the bottle, just above the label. The F1 Protector has a shelf like of 5 years, so you can check if the product is still in date by checking this. Hope this helps.
15 Aug 2016
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9 Sep 2015
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Fareham
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Answer: 
Hello Nnone, the simplest explanation is that F1 500ml is a higher concentration. Both will treat 100 litres.
3 Nov 2015
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31 Jul 2015
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Anonymous,
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Answer: 
Fernox state that one bottle of the F1 central heating protector can treat up to 100L, which is up to 10 radiators but will depend on your individual system.
31 Jul 2015
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Yeovil
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  • 2016-11-18 T05:39:21.459-06:00
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Specification
Brand Fernox
Manufacturer Guarantee 1 Year Guarantee
Manufacturer Guarantee 1 Year Manufacturer's Guarantee
Manufacturing Standards KIWA
Model No F1
Pack Size 1
Pieces in Pack/Case 1
Pieces in Pack/Case 1
Product Type Central Heating Protector
Sealant Adhesive Volume 500 ml
Volume 500 ml

KIWA.

Downloads

Safety Data Sheet (COSHH)