Forum Title: requirements for drain pan for Water Heaters
Site is Idaho - generally follows national codes AM I required to have a drain for a water heater. If so what is required? Can I just have pan with a hose running to air (outside)? Do I need trap and vent? Water heater is over crawlspace on the first floor. Wood framing (not slab). No floor drain planned.
Category: Plumber Post By: PATRICK RAMIREZ (Lima, OH), 03/13/2016

... and just run the hose to day light? no other requirements?

- TRACY SILVA (Sandy, UT), 09/03/2017

Quote: Originally Posted by shaken-n-stirred ... and just run the hose to day light? no other requirements? If you don't have freezing weather. Also, the TPRV cannot drain into the pan.

- SALLY NEWMAN (Syracuse, NY), 09/05/2017

International Plumbing Code would require a pan with a minimum of 3/4 drain, though I would go bigger, 1 minimum, and terminate it with a screened end to keep the bugs out. Use aluminum or galvanized pan.

- ROSA CHAPMAN (West Haven, CT), 10/05/2017

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