Inspection Training

How to Inspect the Draft Diverter at the Water Heater

When the inspector is at the water heater the draft diverter should be inspected. You would want to check if it is secure by using your hand but you should be careful because sometimes this vent can be very hot. Most importantly, the inspector wants to make sure that it is secure. Please review the procedure below.

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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.

 

Axium SOP Differences

Axium Requires: The inspector should check the draft diverter to make sure that it is present and secure at the water heater.

 

Tools Needed

No tools required to inspect the Draft Diverter.

 

Procedure

  • While inspecting the water heater you should check the draft diverter to make sure it is aligned properly and is secured. One way to do this is by checking with your hand, but be careful since the diverter can be very hot. There is one picture for this section that needs to show the draft diverter being secure at the water heater.

 

Common Defects

  • The draft diverter not being properly aligned or not being secured.

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Common Mistakes

  • Not checking the draft diverter with your hand to see if it is secure. Be careful doing this because sometimes it can be very hot and you can burn your hand.
  • Not checking to make sure that the draft diverter is properly aligned.

 

Report / Software

IN


  • The draft diverter of the gas-fired water heater had proper clearance to allow for proper uptake of cool air, was properly aligned and secured. Water heater venting systems are designed to moderate vent temperatures and control exhaust velocity by mixing room-temperature air with hot exhaust gasses.

NI

  • N/A

NP

  • Tankless: A tankless water heater is not designed to include a draft diverter.
  • Electric: An electric water heater does not require a draft diverter.
  • Not Present: This type of water heater does not require a draft diverter.

RR

  • The draft diverter of the gas-fired water heater was not properly aligned and/or not secured. A qualified contractor should evaluate and repair as necessary. Water heater venting systems are designed to moderate vent temperatures and control exhaust velocity by mixing room-temperature air with hot exhaust gasses.


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