How to Inspect the Combustion Air at the Water Heater
While the inspector is at the water heater they should check for fresh air combustion going into the room. If the water heater is electric or is a high efficiency water heater it does not require fresh air combustion. Please review the entire procedure below.
NACHI SOP
International Standards of Practice for Performing a General Home Inspection
3.6. Plumbing
I. The inspector shall inspect:
C. The water heating equipment, including the energy source, venting connections, temperature/pressure-relief (TPR) valves, Watts 210 valves, and seismic bracing.
II. The inspector shall describe:
N/A
III. The inspector shall report as in need of correction:
N/A
IV. The inspector is not required to:
B. Measure the capacity, temperature, age, life expectancy or adequacy of the water heater.
C. Inspect the interior of flues or chimneys, combustion air systems, water softener or filtering systems, well pumps or tanks, safety or shut-off valves, floor drains, lawn sprinkler systems, or fire sprinkler systems.
R. Evaluate or determine the adequacy of combustion air.
Axium SOP Differences
Axium Requires: The inspector will check for the presence of combustion air coming into the area that the water heater is located.
Tools Needed
No tools required to inspect the Combustion Air Supply.
Procedure
While inspecting the water heater you will want to check for the presence of combustion air coming into the room. There is one picture required for this section and it should show the the combustion air supply.
Common Defects
- The combustion air supply is either blocked or not present in the room where the water heater is located.
Common Mistakes
- Not checking for the presence of combustion air.
- Not checking to see if the combustion air is being blocked by a material.
Report / Software
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NI |
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