Pack of 2 — 1/2" DZR brass double check valves with female threaded ends. Each valve stops flow in one direction whilst allowing free flow in the opposite direction. Twin-pack value for maintenance engineers and landlords.
- Pack of 2 — 1/2" DZR brass double check valves
- Female threaded ends for direct connection
- Working pressure 10–16 bar; max working temperature 100°C
- Ideal van stock for repeat jobs
Note: most plumbing products are measured using BSP thread dimensions.