Quick-exhaust valve
Revision as of 20:36, 21 October 2005 by Boilingleadbath (talk | contribs)
These are similar in how they work to sprinkler valves (they are diaphram valves too). They are more expensive and harder to find, but also preform better. They don't come with a solenoid valve like the sprinklers do, so you'll have to furnish your own pilot valve.