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	Podcast:		BrainStuff
	Episode:		What is an anti-siphon valve?
	Category:		Science & Medicine
	Duration:		00:03:23
	Publish Date:		2008-10-08 16:00:00
	Description:		In houses with a built-in sprinkler system, anti-siphon valves prevent pesticides, pet waste, and other contaminants from polluting the home's water source. Check out this HowStuffWorks podcast to learn more about anti-siphon valves. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.
	Total Play:		0