1 Litre cleanser for central heating systems. This 1 Litre bottle is sufficient for treating 100 Litres of water or a typical domestic heating system of up to 10 radiators. Corgi cleanser should be used as a commissioning liquid for new systems or as a sludge remover for existing systems, including those containing aluminium.

Non-acidic, non-caustic – safe to handle 1 Litre bottle to treat up to 10 radiators Controls build-up of limescale and maintains boiler efficiency