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
• One 500ml recyclable bottle treats up to 130 litres of system water (16 radiators) and the equivalent of 250m2 of underfloor systems.
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DELIVERY OPTIONS (UK mainland only)
Next Day Delivery – £5.00 or FREE for orders over £25
Collection DetailsWe 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
We advise that you check your local branch is open on the branch locator page, before you visit.
Once you have placed your order online, we’ll have it ready for you at the branch you have selected in as little as 5 minutes. We will hold your order for 14 days, after which we will automatically generate a refund to the payment type you used to place the order.Please wait for your text or email before coming to collect it and be aware that we will still have health & safety measures in place, so we ask that you observe the branch guidelines.
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.
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