Figure 1 Alcove installation (EG & PEG only)
1. For EGH boilers, See Table 1 for clearances to boiler and
system components.
EGH installations
1. Provide the clearances for service listed on this page.
2. Install in a space that is large in comparison to the size of the
boiler (see National Fuel Gas Code for details).
Part Number 550-110-639/0512
5
EG
•
PEG
•
EGH Gas-firEd boilErs — sEriEs 4 — boilEr manual
Table 1 EG, PEG & EGH -Service and combustible
materials clearances
Prepare boiler location
Recommended Service clearances
1. Provide minimum clearances for cleaning and servicing
the boiler and for access to controls and components as
listed in the table at right.
2. Provide at least screwdriver clearance to jacket front panel
screws for removal of front panel for inspection and minor
service. If unable to provide at least screwdriver clearance,
install unions and shutoff valves in system so boiler can be
moved for servicing.
Combustible material clearances
General
1. See Table 1 for clearances to boiler and system components.
2. Clearances to Type B vent materials are as specified by the
vent manufacturer.
Alcove (not closet) installations only
EG and PEG boilers are not approved for
closet installation.
EG and PEG boilers are approved for alcove
installation, with minimum clearances to
combustible surfaces as shown in Table 1. See
Figure 1. The front side must be completely open
— that is, a three-walled room.
EGH boilers are not approved for alcove or
closet installation.
EG, PEG & EGH - Clearance for service Minimum
Clearance to boiler jacket
Top (for cleaning ueways) 46”
Front
(for access to controls and components) 18”
Back 6”
Left side (for cleaning and servicing) 24”
Right side 6”
Clearance to combustible materials
Minimum
EG & PEG
Minimum
EGH
Clearance to boiler jacket
Top
46” 24”
Front (provides means of access)
3” 18”
Back
6” 24”
Left side (provides means of access)
4” 24”
Right side
4” 24”
Clearance to piping and vent components
Water and steam pipes
1/2” 1/2”
Vent pipe (other than Type B vent)
6” 6”
Type B vent piping
Per B vent
manufacturer
Per B vent
manufacturer
Vent damper
6” 6”
Residential garage installations
Take the following special precautions when installing the boiler in
a residential garage. If the boiler is located in a residential garage,
perANSIZ223.1:
• Mounttheboileraminimumof18inchesabovetheoorof
the garage to assure the burner and ignition devices will be
no less than 18 inches above the floor.
• Locate orprotecttheboilerso it cannot bedamagedbya
moving vehicle.
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