CosWarm CW4 Central Heating Leak Sealer – for Up to 18 Single Radiators – Leak Seal & Stop – Radiator & Boiler Leak Sealant - Stops Minor Leaks & Weeps, Fixes Pressure Loss in Hydronic Heating

Description

🔥 Seal the leaks, save the heat, skip the stress!

CW4 Central Heating Leak Sealer is a super concentrated, biodegradable formula designed to seal minor leaks and fix pressure loss in hydronic heating systems. Suitable for up to 18 radiators (150L), it works instantly without requiring boiler shutdowns, is compatible with all common metals, and prevents costly repairs while maintaining system efficiency.