Service manual

— Page 108 —
© January 2013 Aqua-Hot
®
600-D01 Series Hydronic Heating System Service Manual - Rev. A
APPENDIX D: AQUA-HOT MAINTENANCE
3. Inspect the Combustion Chamber for damage or signs of warping.
1. Remove and Inspect the aluminum Air Swirler for signs of warping. If any part of
the Air Swirler is warped the combustion chamber must be replace.
A. Inspect the outer ring that the photo disc seats against for signs of
warping.
B. Inspect the back side of the Air Swirler for signs of warping between
screws.
Step 5: Clean and Inspect the Combustion Chamber and Heat Transfer Tabs
(continued)
Outer ring that the photo
disc seats against
Back side of air
swirler
Figure D5c
Note: If the Aluminum on the combustion chamber is melted or warped, it is
recommended to replace the Flame Sensor along with the Combustion
Chamber.
Figure D5d