Fernox F1 Central Heating Inhibitor & Protector 500ml

By Fernox Product code: 57090 Pack size: Each

£13.98 was £18.98 Exc. VAT £11.65
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Product Details

Provides long term protection against corrosion and limescale formation in domestic central heating systems.


Inhibitor which prevents corrosion and limescale formation in central heating systems. Includes enhanced pH buffering to ensure the system water pH level does not drop below 6.5 or above 8.5 - the optimum pH range for preventing corrosion and limescale build-up. In line with BS 7953:2019 regulations and best practice, and for long-term protection of the system, concentration levels should be maintained and checked annually as part of the boiler or system service. Compatible with all other Fernox products and is suitable for use with all materials and metals used in central heating systems, including aluminium.


• Protects against corrosion and scale in mixed metal central heating systems
• Stops frequent venting of radiators
• Reduces maintenance costs and saves on fuel bills
• One 500ml recyclable bottle treats up to 130 litres of system water (16 radiators) and the equivalent of 250m2 of underfloor systems.

Technical Specification
Brand Fernox
Safety Data Sheet click here
Type Does Not Apply
Volume (L) 0.5
Delivery details


Covid-19 Update

  • FREE Next Business Day delivery is available for orders over £25 for orders placed before 9pm Mon-Thur and before 6pm Sunday
  • Saturday and Sunday delivery is available for orders placed before 6pm on Friday for Saturday Delivery and 4pm Saturday for Sunday delivery. Items over 30kg can only be delivered next Business Day Mon-Fri. Orders placed after 9pm Thursday will be delivered the following Monday see here for details
  • Pre-12 delivery service is now available for weekday deliveries. Place your order before 9pm Mon-Thur for next business day delivery by 12pm. Orders placed after 9pm Thur and before 6pm Sunday will be delivered by 12pm Monday. UK mainland only
  • Once your order has been dispatched you will receive an invoice email with the courier details and your tracking number
  • Alternatively go to MyAccount, click on your Order History, click on the TRACK icon to link through to the carrier website and the tracking details for your delivery
  • Delivery direct from suppliers is available and specific delivery times will be displayed on the product page
Order Value: Under £25 Over £25 but less than £75 £75 & Over
Next Business Day Mon-Fri (order by 9pm Mon-Thur & Sun by 6pm) delivered before 6pm £5 Free Free
Pre-12 Delivery Mon-Fri (order by 9pm Mon-Thur & Sun by 6pm) delivered before 12pm next day £10 £5 £5
Remote areas standard delivery (2-4 days) £5 Free Free
Saturday Delivery (order by 6pm Friday) delivered before 6pm £10 £5 Free
Sunday Delivery (order by 4pm Saturday) delivered before 6pm £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

Covid 19 Update

Click & Collect

We are fully open and delighted to welcome our customers into our branches.

Our opening times are 7am-8pm Monday-Friday, 7am-7pm Saturday and 9-4pm Sunday

Our speedy 5 min Click and Collect service remains one of the safest ways to buy from us and minimises your time in store. Place your order at toolstation.com 7 days a week, and travel to store once your collection confirmation is received by email or text message.





Don’t forget your mobile number – Please ensure that your mobile number is added so that we can text you when your order is ready to collect.

Your items will be held at your selected Toolstation branch for 14 days, after which point your order will be put back to stock and refunded automatically.

Reviews
Fernox F1 Central Heating Inhibitor & Protector 500ml is rated 4.8 out of 5 by 62.
Rated 5 out of 5 by from High quality Did the job which was required
Date published: 2021-03-03
Rated 5 out of 5 by from No problem No problems it goea in your heating system
Date published: 2021-02-28
Rated 5 out of 5 by from Spot on essential product Spot on product that is now even better value as only one bottle is required on larger central heating systems. Product is easy to use, long lasting does what it is supposed to do and essential to maintain system efficiency. Not the cheapest product, on the market, but certainly one of the best and recommended by professionals.
Date published: 2021-02-16
Rated 5 out of 5 by from Thanks TS Thank you, Toolstation - always there when we need you.
Date published: 2021-02-16
Rated 5 out of 5 by from Inhibitor Does what it says. Great Product on shelf & available in Store in 5min from Order. Best Price in area at time of purchase.
Date published: 2021-02-16
Rated 5 out of 5 by from Great product at a great price I always use Fernox on my central heating as this small bottle treat up to 16 radiators, keeping the system clean ans noise free the real bonus is Toolstaions price a real bargain.
Date published: 2021-02-10
Rated 5 out of 5 by from The best. Excellent product use this all the time.
Date published: 2021-02-08
Rated 5 out of 5 by from Happy Chappy easy to order kept well informed good price delivered on time what more could I ask
Date published: 2021-02-07
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