Weil-McLain 2 Series Manual page 43

®
SlimFit Series 2
DIRECT VENT — Vertical
Termination location — multiple boilers — vertical vent/sidewall air.
apart.
Sidewall air termination assembly —
vertical vent with sidewall air.
Side air intake/through the roof vent must use
Combustion Air Pressure Kit, see Figure 96,
page 105 for Kit part number.
1. Air piping — must extend
through wall enough for
complete engagement of
the air termination elbow.
2. Air termination elbow —
must be down-turned
90-degree elbow.
Part number 550-100-180/0917
COMMERCIAL CONDENSING GAS
— Space vents minimum 6 inches apart. Space air terminations minimum 6 inches
3. Sidewall termination
plates (hole must be just
larger than the air pipe
diameter).
4. Bird screen, by installer.
- — Boiler Manual
FIRED WATER BOILER
(continued)
Direct venting — install tee on air inlet or provide means
to disassemble the air piping to allow access to the inlet
air filter.
1. Vent/air pipe manufacturer's
SlimFit Vent/Air Adapter,
8-inch outlet.
2. Vent/air pipe manufacturer's
tee, 8-inch — orient the tee
so the cover will be on the
same side as the boiler heat
exchanger cleanout cover.
3. Air pipe connection, 8-inch
— add vent/air pipe manufac-
turer's reducer if using 6-inch
air piping.
4. Vent/air pipe manufacturer's
cover, 8-inch.
5. Vent piping (a vent/air pipe
manufacturer's SlimFit Vent/
Air Adapter must be installed
at the boiler vent connection).
Use only the vent/air piping ma-
terials listed in Figure 22, page 25.
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