How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manfuactured and modular homes
Is a catch pan and drain piping required for a replacement water heater?
Monday, July 16, 2018
If the water heater being replaced does not have a drain from the catch pan under it, the replacement is not required to have one either. The 2017 edition of the Florida Building Code, Residential Edition (FBC P2801.6.1), states that “where a pan drain was not previously installed, a pan drain shall not be required for a replacement water heater installation.” The International Residential Code (IRC) has an identical provision.
But the waiver of the requirement for drain piping from the pan does not eliminate the code mandate for a pan under the replacement water heater. Also, the pan under a gas water heater cannot be plastic.
Also, see our blog post Why is there water in my water heater drain pan?
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