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Febco Pressure Vacuum Breaker Draining Procedures

April 22, 2016DIY, Guides, Sprinkler SystemsBy Green Guys
Pressure Vacuum Breaker Draining instructions for home sprinkler systems

Febco Pressure Vacuum Breaker Draining Procedures

Inside

Turn sprinkler water valve off (usually in basement or crawl space).

Loosen inside cap by hand (be careful not to lose cap or seal)

Outside

Turn both blue valves to 45 degrees.

Turn both testcocks screws to 45 dress (side of vacuum breaker)

Loosen outside cap by hand (be careful not to lose cap or seal).

Febco Pressure Vacuum Breaker Start-Up Procedures

Outside

Turn both blue valves off, perpendicular to pipe.

Turn both testcocks screws to vertical position, perpendicular to the ground.

Tighten outside cap by hand.

Inside

Tight inside cap by hand.

Turn on sprinkler water valve slowly for 15 seconds, then to full “on.”

Outside

Turn on bottom blue valve slowly perpendicular to ground.

Turn on top blue valve slowly parallel to ground.

Click to download this vacuum breaker draining procedure information, along with information about the Febco Model 765, as a PDF.

FEBCO 765 Pressure Vacuum Breaker Draining Procedures (855 downloads)

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(303) 775-7412

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