Corgi Leak Sealer Concentrate 500ml Leak sealer can eliminate damp patches under screed avoiding costly repairs Add Leak Sealer to the central heating circuit Leak Sealer is effective within 1 � 24 hours when a soft seal will form One 0.5 litre bottle is usually sufficient to seal a typical domestic central heating system comprising 10 radiators Compatible with all Eco central heating products Corrosion protection must also be carried out by adding inhibitor Instructions: Shake bottle before opening and use entire contents. Suitable for use with Power Flushing machines, dose via the reservoir. For open vented systems, dose via the Feed/Expansion tank. Switch on system and bleed radiator as necessary. After completion of treatment, peel installation label from side panel and attach to boiler casing. Record date for future reference.

Due to geographical locations we are unable to deliver to: Isle of Wight, Isle of Man and Ireland.