The double block is comprised of the following :
- A vacuum relief valve is to access air into the plumbing system when water pressure systems drop below atmospheric pressure.-( Vacuum Breaker )
- A drain cock is a device for venting liquid from a pressurized vessel.-( Drain Cock )
- Pressure Regulating Valves accurately maintain a constant preset downstream pressure, regardless of changing upstream pressures or flow rates.-( PRV )
- A safety valve protects the hot water cylinder from over-pressuring of overheating.-(TP Valve )
Please note that stock availability is subject to prior sales. Prices exclude delivery.
|Disclaimer||Please note that stock availability is subject to prior sales. Prices exclude delivery. The image serves as an example of what the product looks like and may differ slightly in appearance.|