Corgi Leak Sealer Concentrate 500ml bottle To seal inaccessible leaks and weeping joints Reduces pressure Loss in sealed systems & does not cause blockages in circulator pumps or air vents Non-acidic, non-caustic - safe to handle Concentrated 500ml treats up to 10 radiators - a typical central heating system Controls scale and maintains boiler efficiency Effective within 1 – 24 hours when a soft seal will form Compatible with all Eco central heating products Follow instructions on bottle for best use
