Sentinel - X400 Cleaner 1LThorough cleaner for systems older than six months. Sentinel X400 High Performance Cleaner is specifically designed for cleaning older central heating systems. It is a non acid treatment which restores circulation to radiators and pipework. Its ruthlessly efficient formula shifts built up magnetite sludge, eliminating cold spots in radiators and restoring proper heat distribution. Key featuresRestores systems suffering with circulation problems.
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