Monument 4507X Grip+ R1 Radiator Trv Tail Fitting Tool

About this tool

The Monument 4507X GRIP+ R1 is a specialist radiator valve tail fitting tool designed for installing and removing thermostatic radiator valve (TRV) tails with precision and ease. This professional-grade tool features a 16mm internal hex socket that fits most standard radiator valves, making it an essential addition to any plumber's toolkit. Manufactured in Britain to exacting standards, this TRV tail spanner delivers reliable performance on domestic and commercial heating installations. The tool is engineered to work seamlessly with the MON4537 Shorty Swivel Head Handle or MON345 Pro Adjustable Basin Wrench, providing enhanced reach and leverage in confined spaces behind radiators where access is typically restricted. Ideal for fitting new radiator installations, replacing faulty TRV tails, or servicing existing heating systems, this fitting tool enables tradespeople to tighten valve tails securely without damaging threads or chrome finishes. The hex socket design ensures positive engagement with valve components, reducing the risk of slipping that can occur with adjustable spanners. Features and Benefits: • 16mm internal hex fits most radiator valves for versatile application • Compatible with Monument swivel handles and basin wrenches for improved access • Made in Britain for assured quality and durability • Prevents damage to valve threads and chrome finishes during installation Specifications: Key Type: TRV Tail Spanner

Retailer description · Tooled Up · Observed 12 Oct 2026. Check the retailer’s listing for full specifications and contents.