those are the test ports used to make sure the valve does what it's supposed
to do.

s


"Mikepier" wrote in message
...
I have this vacuum breaker on my sprinkler system. What are the 2
small valves on the side for? Can you hook up an air hose to it to
blow it out?
Also do I have to remove the guts during winter?


http://www.cjjstore.com/store/images...reakoutmed.gif