Water heater ventilation

[Neildaigle]

50 year old home, recently remodeled before I purchased. Just noticed that the hot water heater doesn’t have any air ducts supplying air to the closet it’s enclosed in. The only opening is approximately 1” gap under the closet door.

Just wonder if this would be sufficient or should I install a louvered door?

 

[JG plumbing]

If there are no ducts supplying that closet, then yes the door needs to be louvered. Not only that. The room that closet is in has to be big enough to supply the water heater with air.

 

[JG plumbing]

The room needs to be 710 cu. Ft.

 

[JG plumbing]

There are more provisions if the adjacent room is a bedroom.

 

[Neildaigle]

The utility room is approximately 105sq ft (8ft ceilings).

 

[Neildaigle]

No bed rooms near at all. I’ll go pick up a new door.

 

[breplum]

Water heaters require a drain safety pan run to an exterior location, same as the temp/pressure relief valve.
Home inspector should have pointed out this.

 

[Neildaigle]

Water heaters require a drain safety pan run to an exterior location, same as the temp/pressure relief valve.
Home inspector should have pointed out this.

The old water heater had the pop off valve on top with a drain hose going to exterior. The new tank in picture has the pop off valve on the side and I haven’t ran to exterior yet.

I was however a little disappointed that the home inspector didn’t point out that it had no way to get fresh air with the solid door.

 

[JG plumbing]

Our code doesn't require a drain pan unless the heater is placed in an attic. There is no requirement to drain them anywhere other than to a safe location.

 

[GReynolds929]

UPC 507.5 specifies subfloor as well and drained to an approved location.

 

[JG plumbing]

I keep my code book in my work truck. Just going by memory. Thanks @GReynolds929