Frost Free Anti Siphon Outdoor Faucet Leaking

Leaking from anti syphon fitting another place a frost proof faucet can leak is from the anti siphon portion of the valve if the faucet has one.

Frost free anti siphon outdoor faucet leaking.

Remove the knob s retaining screw or nut and pull off the knob. They should also be angled down slightly so water runs out of it when shut. On frost proof faucets the washer is located on the end of the long faucet stem. Anti siphon valves are simple devices and leaks aren t difficult to diagnose and repair.

In this video mark donovan of http www homeadditionplus com shows how to fix a anti siphon valve on a faucet. You may have to turn the stem to unscrew it before it ll come out. Remove the packing nut by turning it counterclockwise. If your faucet leaks out of the spout when it s turned off the washer is bad.

Put the knob back on and turn it counterclockwise to remove the valve stem. Before removing a screw on valve turn off the faucet release water from the hose and detach the hose from the valve. If your frost proof is set up properly you should not need to use the old water valve any longer. An anti siphon valve normalizes the pressure inside the pipes when you turn off the water to prevent it from flowing backward.

2 unscrew the plastic cap covering an anti siphon valve permanently installed. When installed on an outdoor faucet the valve also allows residual water in the faucet to drain which prevents faucet and pipe damage from frozen water in winter. It is very common for outdoor faucets or out. Some freeze proof faucet models have two nuts to remove.