Install Instructions

&IGURE REQUIRED minimum clearances
(
ALLDIMENSIONSAREININCHES)
&IGURE RECOMMENDED service clearances
(
ALLDIMENSIONSAREININCHES)
Part number 550-100-131/0715
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™
GAS-FIRED WATER BOILER — Boiler Manual
A Provide combustion air/ventilation openings per Figure 23, page 22 or as otherwise directed
in this manual or by applicable codes. If the installation does not provide the
minimum clearances in Figure 1, then the enclosure MUST HAVE air openings located
per Figure 2, above. Each of these air openings must have free area of at least 1 square inch
per 1,000 MBH of boiler input.
B Left side clearance to combustibles = 0.50 inches minimum, but 2.5” for door latch removal.
C Top of boiler clearance to combustibles = 0.50 inches minimum, but 8.5” for burner removal.
D Right side clearance to combustibles = 8.50 inches minimum, but 2.5” for door latch removal.
E Bottom of boiler clearance to combustibles = 0 inches minimum (must be 18 inches above
floor for garage installations).
F Clearance in front of the boiler = 0.25 inches, but 24
inches minimum required for service.
G Air openings must be located in the FRONT of the enclosure, as shown. They must be no
more than 12 inches from the floor or ceiling, as shown.
H Vent pipe must be minimum 3/16 inch from combustibles. Opening in combustible wall,
floor, ceiling or roof must be 3/8” larger than flue pipe diameter, fitted with galvanized steel
thimble, or larger if required by codes or as specified by vent pipe manufacturer.
A Provide combustion air/ventilation openings per Figure 23, page 22 or as
otherwise directed in this manual or by applicable codes. NOTE: If the
installation does not provide the minimum clearances in this illustration,
then the enclosure must have air openings located and sized per Figure 2.
B Left side service clearance =
3.50 inches minimum.
C Service clearance above top of boiler = 14 inches minimum.
D Right side service clearance = 8.50 inches minimum.
E Service clearance below the boiler = 0 inches minimum.
F Service clearance in front of the boiler = 24 inches minimum.
ADDITIONAL service clearance may be
needed, depending on how piping is routed
to the boiler.
Provide clearances for service
access — RECOMMENDED
1. See Figure 1 for recommended service clearances.
2. If you do not provide minimum service clearances
shown, it might not be possible to service the boiler
without removing it from the space.
#LOSET OR SMALLENCLOSURE INSTALLATIONS
WHICHDONOTPROVIDEATLEASTTHESERECOM
MENDEDCLEARANCESREQUIRETHESPECIALLY
SIZED AND PLACED AIR OPENINGS SHOWNIN
&IGURE
.
Provide clearances from combustible
materials — REQUIRED
1. See Figure 2 for REQUIRED minimum clearances. ALL installa-
tion must provide at least these minimums.
2. Hot water pipes — at least ½” from combustible materials.
3. Vent pipe — at least ³⁄₁₆” from combustible materials.
4. See Figure 1 for service clearance minimums.
#LOSET OR SMALLENCLOSURE INSTALLATIONSWHICH DO
NOTPROVIDEATLEASTTHERECOMMENDEDSERVICECLEAR
ANCESSHOWNIN&IGURE
REQUIRETHESPECIALLYSIZED
ANDPLACEDAIROPENINGSSHOWNIN&IGURE
.
Boiler location (continued)