I keep buying more of these (the Solid Brass FHT x MHT - FBFP model) because they work so well! Perfect device to put right in front of a 30PSI pressure regulator for my drip irrigation system.
They do what they're supposed to, but for 2c more plastic they could discharge down instead of out. The day I installed mine i got soaked chest and legs by two different ones. I have them installed on frost free hydrants and have been using hoses with various nozzles etc with a shutoff valve at the end. When I have hoses run uphill of the hydrant the hoses get vacuum suction as the water drains down into the hydrant ie ground. Assuming the hydrant valve is good there shouldn't be a contamination concern - but ...??? Anyway the key to not get wet is to leave something on, or relieve pressure via a y or manifold. When they relieve pressure it is quite a blast.
A vacuum breaker prevents contamination of your home water supply. Most cities require them at the start of any irrigation system whether or not fertilizer or chemicals are injected into the system. Vacuum breakers partially restrict water pressure and flow, and are not rated for use under constant pressure.
Note: Check locally for building codes and backflow requirements in your area.
Specifications:
Jun 1st 2023
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