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
4.6 (27 items)
Limited Time SaleUS$54.00 cheaper than the new price!!
Free cash-on-delivery fees for purchases over $99
Product details
| Management number | 212821145 | Release Date | 2026/04/12 | List Price | US$36.00 | Model Number | 212821145 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- STOPS SMALL LEAKS & FIXES PRESSURE LOSS: CW4 Leak Sealer seals all the small and inaccessible leaks, thus saving time and money in draining down and repairing cost. Our boiler leak sealant also helps in fixing pressure loss due to minor leaks from central heating systems.
- SUPER CONCENTRATED FORMULA: Our boiler and central heating system leak sealer can be used for up to 18 single radiators i.e., a 150-liter system. It is easy to use, just pour it in the system according to the instructions and let it work.
- SUITABLE TO USE AROUND METALS: There are many leak sealer chemicals that are not friendly when they come into contact with metals. CW4 Leak Sealer liquid is suitable for use with all the metals and materials, including steel, ferrous metals, copper and aluminum.
- CONVENIENCE AT ITS BEST: Our leak sealer and stopper makes minor repairs in the boiler a breeze. It does not interfere with the working of your central heating systems and you won’t have to shut down the systems before or while using it. The product can be left in the system permanently.
- BIODEGRADABLE: Our leak sealer is a safer alternative compared to other formulas. As it is biodegradable, it won’t harm Mother Nature either. Safe to use around people, the environment and your heating systems.
Correction of product information
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form