AM Series Boiler & Water Heater User Manual
CHAPTER 6: INSTALL
– VENT & COMBUSTION AIR PIPING
OMM-0100_E
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GF-146
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11/15/2019
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6.5.4 Air Intake and Vent Starter Pieces
Venting must be supported per guidelines listed in the National Mechanical Code, Section 305,
Table 305.4 or as local codes dictate.
Figure 6-2 shows how the air intake and vent outlet adapters are assembled. To connect a vent
pipe to the air intake and vent outlets, proceed as follows while referring to Figures 6-2 and 6-3:
Installing the Air Intake and Vent Connections
1.
Apply a suitable sealant (Viton RTV or equivalent) to the inside diameter of both the air inlet
adapter and vent outlet adaptor (see Figure 6-2) to create an airtight seal with the piping.
2.
Install air inlet piping and exhaust vent piping
3” deep into the adapters.
3.
Tighten each adaptor hose clamp (Fig. 6-2) to secure each adaptor to its respective piping.
4.
Drill a 1/4” hole into the exhaust outlet piping in approximately the position as shown in
Figure 6-2. This port will be used as a combustion analysis port during the combustion
calibration procedure described in Section 8.2. Procure a suitable cap to plug this port when
it is not being used for calibration.
WARNING!
You must ensure that a suitable cap is used to seal the calibration analysis port during
normal operation to prevent the escape of dangerous exhaust gases.
Figure 6-2: Air Intake and Vent Connection Installation
BOLTS
EXHAUST OUTLET
ADAPTOR
ADAPTOR GASKET
EXHAUST CHIMNEY
EXHAUST SEAL
GASKET FITS INTO
INNER GROOVE OF FLUE
EXHAUST CHIMNEY
STEP 2:
EXHAUST
OUTLET PIPING
(FIELD PROVIDED)
ADAPTOR
GASKET
AIR INLET
ADAPTOR
STEP 3:
HOSE
CLAMP
BOLTS
STEP 2:
AIR INLET
PIPING (FIELD
PROVIDED)
COMBUSTION ANALYSIS
PORT (FIELD INSTALLED)
STEP 4:
CAP (FIELD PROVIDED)
AIR
INLET
STEP 1:
VITON RTV
ADHESIVE
EXHAUST SEAL
GASKET
