RS PRO Leak Sealer Liquid, 330 ml Bottle

CalShot Leak Sealer is a powerful concentrate formula that creates a soft seal to treat inaccessible leaks and weeping joints in radiators without blocking any valves or vents. With a unique concertina applicator able to connect to any standard radiator, it saves time and effort in reducing pressure loss with no need for flushing.

• Unique concertina applicator
• Forms a soft seal within 1-24 hours
• Leave-in system formula, no need for flushing
• One 300ml bottle can treat up to 10 radiators
• No blocking of pumps, valves or air vents
• Saves time and effort in reducing pressure loss
• No drips - no waste
• No sprays or aerosols needed
• Can prevent potential water damage

For use with Central Heating Systems:
Simply squeeze CalShot Leak Sealer directly into system and leave – no need for flushing. One 300ml concertina bottle is sufficient for treating up to 10 radiators.

After treating with CalShot Leak Sealer, an application of CalMag inhibitor is recommended