For sealing small leaks and weeping joints in central heatig systems. Reacher inaccessible places you cant.
QuickFill - SEL9260: Central Heating Dosing Tool - Add Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover, Leak Sealer & Sentinel X100 to Your Central Heating System
Sentinel Internal Leak Sealer 1 Ltr Combi Boiler Heating System Inc VAT
Just Dose It Central Heating Dosing Tool, Radiator Dosing Funnel - For Adding Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover, Leak Sealer & Sentinel X100
Fernox LS-X External Leak Sealer & Jointing Compound for Hot & Cold Water 50ml
UK Radiators Central Heating Leak Sealer 500ml Treatment Boiler Radiator Trident
Calmag H&V Controls HVLS Leak Sealer Heating Systems 1 Litre Bottle
