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Part number 550-142-122/0513
28
TM
GAS-FIRED WATER BOILER — Boiler Manual
DIRECT VENT — 3IDEWALLWITH7-VENTAIRPLATE
!LLOWABLEVENTAIRPIPEMATERIALS
LENGTHS
Use only the vent materials and kits listed
in Figure 20, page 20. Provide pipe adapt-
ers if specified.
1. Locate the termination such that the total air piping
and vent piping from the boiler to the termina-
tion will not exceed the maximum length given in
Figure 19, page 19.
For polypropylene applications, comply
with any additional requirements in the
vent system manufacturer’s instructions.
Provide 3” PVC transition pieces at the
boiler vent and air connections and at the
vent termination. Install a locking collar
at every joint.
For AL29-4C vent pipe applications,
comply with any additional require-
ments in the vent system manufacturer’s
instructions. Provide 3” PVC transition
pieces at the boiler and at the vent and
air terminations. (The air pipe must be
PVC or CPVC.)
$ETERMINETERMINATIONLOCATION
1. The vent/air cap must be installed as shown in
Figure 32, page 29.
2. The termination must comply with clearances and
limitations shown in Figure 21, page 22.
3. Locate the termination so it is not likely to be dam-
aged by foreign objects, such as stones or balls, or
subject to buildup of leaves or sediment.
-ULTIPLEVENTAIRTERMINATIONSOR
TERMINATIONADJACENTTOOTHERAPPLIANCE
TERMINATIONS
1. When terminating multiple ECO boilers, termi-
nate each vent/air connection as described in this
manual.
All vent pipes and air inlets must ter-
minate at the same height to avoid pos-
sibility of severe personal injury, death or
substantial property damage.
2. Place wall penetrations to obtain minimum
clearance as shown in for U. S. installations. For
Canadian installations, provide clearances required
by CSA B149.1 or B149.2 Installation Code and a
ULC S636 compliant vent kit.
3. The air inlet of a ECO boiler is part of a direct vent
connection. It is not classified as a forced air intake
with regard to spacing from adjacent boiler vents.
For terminations of other appliances,
provide at least the clearance shown. The
installation must also comply with the
manual for the other appliances.
&IGURE ).34!,,!4)/. — W-M sidewall vent/air plate
6ENTAIRPIPESANDVENTAIRCANBEORIENTEDASOPTIONOR$/
./4MOUNTWITHPLATEVERTICALANDVENTOUTLETDOWN
3TEP Read and follow all instructions in this manual. $/./4PROCEED
WITH VENTAIR INSTALLATIONUNTIL YOUHAVEREAD PAGE
THROUGHPAGE.
See notices at left.
3TEP Install the boiler in a location that allows proper routing of all vent
and air piping to the selected sidewall location.
3TEP Make sure the selected sidewall termination location complies with
Figure 21, page 22. (Multiple boiler sidewall plates must also comply
with Figure 30, page 29.)
3TEP Use only the vent materials listed in Figure 20, page 20. Provide pipe
adapters where required.
3TEP Vent piping and air piping lengths must not exceed the values shown
in Figure 19, page 19.
3TEP Prepare the sidewall penetrations and secure the sidewall plates as
instructed in this section. See “Install Weil-McLain vent/air cap” on
page 29.
3TEP The Weil-McLain plate termination must be installed before piping
from the boiler to the termination.
3TEP Install vent and air piping between the boiler and the vent/air termina-
tion plate. Slope horizontal piping downward toward the boiler at least
1/4 inch per foot. See page 35 for general guidelines.
3TEP Install pipe supports every 5 feet on both the horizontal and vertical
runs, or per vent pipe manufacturer’s instructions.
See notices at left.
3TEP Install a hanger support within 6 inches of any upturn in the piping,
or per vent pipe manufacturer’s instructions.
See
notices at left.
53% 37%%0 %,"/73 &/2 !,,6%.4 !.$ !)2
0)0).' — DO NOT use short radius elbows for vent or
air piping. Boiler performance could be affected.
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