APO NRIBV-15C Male Compression 15mm Non Return Isolation Duo Valve Solar Check Valve Material: DR Brass Body with

Material: DR Brass Body with chrome plating

AW (Austworld) Logi WDFF15 15mm ½” female non-return isolation duo valve is Watermark approved

20mm loose nut x 20mm female water fitting

• Model: W80FLF

APO NRIBV-15C Male Compression 15mm Non Return Isolation Duo Valve Solar Check Valve Material: DR Brass Body withOverview APO NRIBV 15C 15mm male compression non return isolation duo valve is Watermark approved and supplied with copper olives. The non return isolation duo valve features a durable metal butterfly handle and an inbuilt one way check valve which isolates the residential hot water system from the mains supply. The duo valve can be manually switched on and off with its quarter turn ball valve operation, allowing for easy maintenances and services.