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3 Sidewall direct venting (continued)
Vent/air termination – sidewall
All vent pipes and air inlets must terminate
at the same height to avoid possibility of
severe personal injury, death, or substantial
property damage.
Multiple vent/air terminations
1. When terminating multiple Shield water heaters terminate
each vent/air connection as described in this manual
(FIG. 3-5A).
ƽ WARNING
2. Place wall penetrations to obtain minimum clearance of
12 inches between edge of air inlet and adjacent vent outlet,
as shown in FIG. 3-5A for U.S. installations. For Canadian
installations, provide clearances required by CSA B149.1
Installation Code.
3. The air inlet of a Shield water heater is part of a direct vent
connection. It is not classified as a forced air intake with
regard to spacing from adjacent water heater vents.
12" MIN. BETWEEN EDGE OF AIR
INLET AND ADJACENT VENT OUTLET
VENT / AIR
TERMINATION
VENT
AIR
Figure 3-5A Multiple Vent Terminations (must also
comply with Figure 3-1A)
Figure 3-5B Alternate Multiple Vent Terminations w/Field
Supplied Fittings (must also comply with Figure 3-1B)
Installation & Service Manual
TM