Fernox Alphi 11 Antifreeze 5L Long lasting Radiator Protection

Fernox Protector Alphi-11 is a combined antifreeze and inhibitor, which gives long term protection for central heating systems against frost, internal corrosion and lime scale formation. A 5 litre container will treat a typical 15 litre system and protect it down to - 15°C. Suitable for use in marine, vehicle, static caravan and domestic closed loop central heating systems.

• Processing & Shipping: Most orders ship within 1–2 business days (weekdays only), with possible delays during high volume periods.
• Free Delivery Threshold: Shipping is free to mainland UK on orders over £60, otherwise £2.99. Certain UK locations may incur extra charges based on size and weight.
• Northern Ireland Shipping: Stocked Orders £0.00–£99.99 £9.99 - Orders £99.99 and up £14.99. For non Stocked Orders Northern Ireland Shipping Orders £0.00–£99.99 I £14.99 Northern Ireland Shipping Orders £99.99 and up £29.99
  Fee Will be Applied at Checkout.
  
• Carriers: We use Royal Mail, Evri, DX, and DHL depending on order value, location, and size. Most orders ship on a 24-hour service; others may use a 48-hour service.
• Customs & Duties: Customers are responsible for any applicable customs fees, duties, or taxes.
• Tracking: You’ll receive a confirmation email with a tracking number once your order has shipped.

For the full details, please visit our Delivery Information Page.

• 60-Day Return Window: Unused items in original packaging can be returned within 60 days for a full refund.
• Refund Process: Once approved, refunds are processed to the original payment method, typically within 7 days.
• Defective or Damaged Items: Contact our customer service at onlinesales@ukcampingandleisure.co.uk for replacements or further support.
• Return Shipping: Buyers are responsible for return postage on unwanted items. We recommend using a trackable shipping service or insurance for items over £50.

For full details, please see our Returns and Refunds Policy.

Questions or Concerns: Our friendly team is here to help with orders, product information, or any general queries.

Email: onlinesales@ukcampingandleisure.co.uk

Telephone: 01604 356545

Response Time: We aim to reply as quickly as possible during our regular business hours.

For more details or to send us a direct message, please visit our Contact Us Page.