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Double Union Ball Valves can be easily disconnected for maintenance through use of its double union ends
Expansion vessels are installed on unvented systems to protect from excessive pressure when the water heats up
Made from Polypropylene has an internal BSP thread and a max working temperature of 80 degrees C and operating pressure of 10 bar at 20 degrees C
- Pipework comes out of the floorboard
uPVC Double Union Threaded Air Release Valve - EPDM Size:2" Double Union Ball Valves canuPVC Threaded Air Release EPDM Seal Valves are manufactured from the material unplasticised polyvinyl chloride; subject to the system pressure, has a working temperature of +5C to +60C. Our Air Release Valves allow for air to be released from a tank which the valve is connected to. Double Union Ball Valves can be easily disconnected for maintenance through use of its double union ends.
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