Prevents frost damage: by automatically draining when the Sprinkler system is shut down; the valve opens when the system water pressure falls below about 0.2 bar.
Simple assembly: using the T-Joint, 25 mm x 3/4” female thread, available separately (art. No. 2790)
Ideal installation: ideally, the drain valves are installed at the lowest point of the watering system
Drainage: for safe drainage, installed in a pack of washed coarse gravel.
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Gardena Drain Valve Review
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