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Innovation Hot Water Hot Water Boiler User Manual
HEAT
EXCHANGER
5/16-18 HEX
NUTS (6)
CAP SCREWS (4)
1/4-20 X 7/8" (22.2 mm) Long
PARTIAL RIGHT-SIDE VIEW – BASE & SUPPORT BRACKET REMOVED FOR CLARITY
Figure 6-3. Intake Manifold & Exhaust Manifold Locations
The intake manifold, burner and exhaust manifold assemblies weigh
approximately 25 pounds. Use care when removing these assemblies in the
following steps.
11.
While supporting the intake manifold, loosen and remove the six (6) 5/16-18 hex nuts
securing it to the studs protruding from the exhaust manifold.
12.
Carefully lower and remove the intake manifold, burner assembly, the two burner gaskets
(P/N GP-18899), and the intake manifold flange gasket (P/N 81198). See Figures 6-3 and
6-4.
13.
Disconnect the exhaust temperature sensor (Figure 6-3) by unscrewing it from the exhaust
manifold.
14.
While supporting the exhaust manifold, remove the two (2) side nuts (Figure 6-5) securing
the manifold to the heat exchanger. Loosen, but do not remove the third nut nearest to the
front of the unit.
15.
Remove the exhaust manifold from the unit.
16.
Inspect the exhaust manifold and burner assemblies for debris. Clean out debris as
necessary.
17.
This completes the fireside inspection of the unit. Proceed to step 18 and reassemble the
unit as indicated.
Page 76 of 174
11/15/2016
CHAPTER 6 – MAINTENANCE
Fireside Inspection - Continued
1/4-20 SCREWS (2)
DO NOT REMOVE
--CAUTION -
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Phone: 800-526-0288
- INTERNATIONAL
EXHAUST
MANIFOLD
INTAKE
MANIFOLD
OMM-0120_0A
GF-128-I
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Troubleshooting
