American Water Heater 317994-002 Manual De Usuario

26

1.  Remove the manifold/burner assembly. See Removing 

the Manifold/Burner Assembly.

2.  Lift the retainer clip straight up from the back of 

the manifold component block (using a flat-blade 

screwdriver), then remove the manifold component 

block from the manifold door (Figure 26.)

3.  Remove and keep the screw securing the flame sense/

hot surface igniter assembly (Figure 26)

4.  Remove and discard the old flame sense/hot surface 

igniter assembly.

5.   Route the new flame sense/hot surface igniter con-

nector wire through manifold/burner door opening as 

shown in figure 26. Secure assembly to bracket using 

screw removed earlier. 

6.  Reposition the manifold component block in the mani-

fold door opening and secure it with the retainer clip.

7.  See Replacing the Manifold/Burner Assembly.

1.  At least twice annually inspect the air intake chamber 

screen (Figure 27) for any dust or debris that may have 
accumulated on the louvers. NOTE: If the water heater 
is located in an area that is subjected to lint and dirt, 
it may be necessary to check the air intake chamber 
screen more frequently. 

2.  Use a vacuum cleaner with a 

hose attachment to remove any 
dust or debris that may have 
accumulated on the screen.  

1.  Follow procedure outlined in “Removing the Manifold/

Burner Assembly”.

2.  Use a vacuum cleaner/shop vac to remove all loose 

debris in the combustion chamber (Figure 28). Use 
compressed air to clear any dust or debris that may 
have accumulated on the air diverter assembly.

Manifold
Door Gasket

Air Diverter

Assembly

Combustion

Chamber

3.  Reassemble following the procedure under “Replacing 

the Manifold/Burner Assembly”

1.  Check the door gasket for damage or imbedded debris 

prior to installation.

2.  Inspect the view port for damage and replace as 

required.

Screw

Retainer Clip

Manifold Component

Block

Flame Sense/

Hot Surface

Igniter Assembly

Air Intake Chamber 

Screen