A drain pan sits beneath a water heater to catch leaks or overflow, protecting floors and finished areas from water damage. Pans typically include a drain connection so collected water can be safely routed away.
/dreɪn pæn/
A drain pan sits beneath a water heater to catch leaks or overflow, protecting floors and finished areas from water damage. Pans typically include a drain connection so collected water can be safely routed away.
Why do I need a drain pan under a water heater?
It catches leaks and routes water away, protecting floors and finished spaces from damage.
Source: The Cooling Company
Drain pans capture leaks and route water to a safe drain.
In attic installations, a drain pan with a properly routed drain line protects ceilings and walls from leak damage.
Verify the pan is properly sized and the drain line is clear to prevent overflow.
“Verify the pan is properly sized and the drain line is clear to prevent overflow.”
Drain pans became more common as building codes tightened to reduce water‑damage claims.
Do I need a drain pan for a water heater on a concrete floor?
It’s still recommended, but most critical when the heater is above finished spaces.
Where should the drain line go?
To an approved drain point per local codes—often outside or to a floor drain.
How big should the drain pan be?
It should be slightly larger than the heater’s footprint and include a drain fitting.
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