Stop leaks in their tracks with Everbuild P32 Central Heating System Leak Sealer, the 500ml solution for small, inaccessible leaks and pressure loss. This rapid-acting formula actively seeks out leaks, forming a soft, permanent seal within 1-24 hours. Protect your system without compromising valves, pumps, or air vents. Compatible with all metals, P32 Leak Sealer tackles leaks in radiators, underfloor heating, and more. Enjoy the peace of mind of a restored, efficient central heating system, free from frustrating drips and pressure drops.