15mm Central Heating Filling Loop Kit – Flexible Braided Hose with Isolation Valves & Double Check Valve – Combi Boiler Water Refill Pipe – WRAS Approved

Effortless Boiler Top-Ups:
Designed for easy integration with pressurized system boilers, this 15mm central heating fill loop allows quick and efficient water top-ups, helping maintain balanced pressure during routine servicing.

Backflow Protection for Safety:
Fitted with a double check valve, this filling loop prevents mains water contamination, ensuring your heating system remains safe and fully compliant with plumbing regulations in both residential and commercial settings.

Universal 15mm Compression Fittings:
Compatible with most domestic systems, it features standard 15mm compression ends for fast, tool-free installation—no need for specialized fittings or adaptors.

Built to Last in Harsh Conditions:
Constructed from corrosion-resistant, heavy-duty materials, the loop performs reliably under high pressure and temperature variations common in sealed heating systems.

Boosts Boiler Efficiency:
By maintaining correct system pressure, it helps reduce wear on pumps, radiators, and valves, improving overall boiler performance and extending the life of key components.

Integrated Isolation Valves:
Supplied with isolation valves for easy control during filling or repressurizing, allowing quick shutoff during servicing or emergencies for added safety and convenience.

Wide Boiler Compatibility:
Suitable for most combi and system boilers requiring an external filling loop, it’s ideal for both new installations and replacing outdated or damaged components.

Compact and Easy to Transport:
Its space-saving design fits neatly in toolboxes and vans, making it a practical, on-the-go solution for heating engineers and professional plumbers working in tight spaces.

Durable, Kink-Resistant Hose:
The included braided flexible hose resists kinking and is rated for high pressure, delivering a secure and leak-free connection between the mains and heating system.

Regulation-Compliant and Efficient:
Engineered to meet standard plumbing practices, this fill loop helps maintain safe system pressure, supporting energy efficiency and consistent home comfort.