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test and refill sets
- with ball valve for fast shut-off and easy filling
- flexible filling hose for work in spaces difficult to access
For testing and adjusting the pressure cushion of diaphragm expansion vessels of heating systems and oil supply systems.
The test and refill set consisting of a 60 cm long, flexible filling hose with union nut Vg8 for the test valve at the expansion vessel and a ball valve with 7/16-28 UNEF thread for vessel filler cylinder and a test pressure gauge Ø 40 mm. The vessel filler cylinder is not included.