310ml. Disperses sludge, limescale and system debris. Restores circulation and improves heating efficiency. 1 tube treats 100 litres.

500ml. Disperses sludge, limescale and system debris. Restores circulation and improves heating efficiency. 500ml treats 100 litres.

Effective frost protection with BuildCert standard scale and corrosion control. Suitable for all central heating types including those containing aluminium. Addition rate: 25% of system volume.

310ml. Protects against corrosion and limescale formation to maintain system efficiency. Suitable for mixed metal systems including aluminium. 1 tube treats 100 litres. BuildCert and WRAS approved.

500ml. Protects against corrosion and limescale formation to maintain system efficiency. Suitable for mixed metal systems including aluminium. 500ml treats 100 litres. BuildCert and WRAS approved.

300ml. Protects against internal corrosion and limescale formation to maintain system efficiency. Suitable for mixed metal systems. WRAS approved. Specifications: A reusable filling kit must be used with concentrates (Quote 98940).

310ml. Internal leak sealer for small inaccessible leaks and weeping joints which reduce system pressure. Effective within 1-24 hours. 1 tube treats 100 litres.

500ml. Internal leak sealer for small, inaccessible leaks and weeping joints which reduce system pressure. Effective within 1-24 hours. 500ml treats 100 litres.