310ml. Reduces boiler noise, eliminates kettling and restores heat transfer efficiency. Suitable for all boiler types. Compatible with all No Nonsense additives. 1 tube treats 100 litres.

500ml. Reduces boiler noise, eliminates kettling and restores heat transfer efficiency. Suitable for all boiler types and compatible with all No Nonsense additives. 500ml treats 100 litres.

1Ltr. Disperses sludge, limescale and system debris. Restores circulation and improves heating efficiency. Suitable for use with mixed metal systems. 1ltr treats up to 10 radiators. Can be used with Powerflush machines. Reusable nozzle. Specifications: 1Ltr bottle treats up to 10 radiators.

50g. External Leak Sealer for all types of joints and fittings. Adheres to most surfaces, wet or dry. Does not shrink and remains flexible, allowing seal to be undone.

Reusable kit that helps feed chemical treatment into central heating systems faster. Fits .5" BSP taper and BSP union coupling. Use with central heating treatments. Specifications: Fits .5" BSP union coupling, .5" BSP taper, or draincock.

2kg. Use around fire bricks, flues and boilers. Heat-resistant to 1250?C.

250g. Dual-usage soft-setting product for gas and potable water. Ideal for situations where immediate pressurisation is necessary. Suitable for Gas Safe Registered gas installations. WRAS approved.

350g. Self-cleaning flux ideal for constructing central heating systems. For capillary joints in copper, brass and mild steel pipe-work. Neutral pH at room temperature. WRAS approved.