Leak Sealer - 189220 Sentinel Leak Sealer, which is added into the system, is ideal when weeping joints and small leaks don't warrant immediate repair.
Sentinel Leak Sealer for Central Heating Systems * Manufactured under a quality system conforming to ISO9001 * Will not cause blockages within the system * Compatible with other Sentinel products * Easy to apply * Suitable for all metals including aluminium * Compatible with elastomers * Non-toxic and non-irritant * High stability * Readily dispersible
