RJ

McGrath, Inc.

Newton, MA (617) 332-3339

Lawn Sprinkler Systems Since 1957

 

The Plumbing Parts Of A System

 

Ball Valve Closed         Ball Valve Open           Gate Valve       Blow Out Valve Indoors           Blow Out Valve Outdoors            Water Meter

 

PVB Backflow Preventer          RPA Backflow Preventer

 

 


Ball Valve (Closed)              Ball Valve (Open)                   Gate Valve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


Blow Out Valve Inside            Blow Out Valve Outside                      Water Meter

 

 

 

 

 

 

 

 

 


PVB Backflow Preventer                         RPA Backflow Preventer