Zep Commercial 1 L Disinfectant & Sanitiser

A powerful formulation specifically designed to remove debris and sludge from your central heating system. The heavy-duty formulation eliminates cold spots from radiators. The formula also contains special corrosion inhibitors which help to prevent the build-up of sludge.

Can clean a system of up to 12 radiators.
Helps improve system efficiency.
1 Litre of Zep Commercial® Central Heating cleaner will treat a typical domestic system of up to 12 radiators.
Drain some water from the system, then pour the solution either directly into a radiator or into the central heating header tank.
Circulate at least overnight or for heavier soiling, the solution can be left in the system for several days.
Drain fully and flush through each drain point until the water runs clear.
Refill the system and add a suitable inhibitor