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Old 08-09-2011, 12:08 AM   #1
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Can the floor drain mandate be skipped if I switch to a tankless heater


Putting in a new stack. Plumber informed me that I need a floor drain within 15 feet of the water tank. Putting one in would present a large financial pain..
If I put in a tankless water heater, am I ok with NOT having a floor drain within 15 feet per the national code?

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Old 08-09-2011, 12:26 AM   #2
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Can the floor drain mandate be skipped if I switch to a tankless heater


I don't know about the NPC, but around here we don't have to have a floor drain, but can get away with a watertight pan with a drain that goes outside the building.

Can't really speak for the code, but i'd say it would be a good idea to have some kind of a pan under the unit still, and i'll bet the t&p valve still has to go outside.

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