requirements for drain pan for Water Heaters

[shaken-n-stirred]

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.

 

[phishfood]

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.

 

[shaken-n-stirred]

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

 

[KULTULZ]

... 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.

 

[frodo]

hose is not an approved pipe, it must be a pipe

 

[KULTULZ]

hose is not an approved pipe, it must be a pipe

...good catch...

That one shot entirely over my head...