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4 Installation Clearances
WARNING
Before installing, check for the following:
Install in accordance with relevant building and
mechanical codes, as well as any local, state or
national regulations, or in the absence of local
and state codes, refer to National Fuel Gas Code
ANSI Z223.1 / NFPA 54 - latest edition. In Canada,
see the Natural Gas and Propane Installation
Code CSA B149.1 - latest edition for detailed
requirements.
4.1 Indoor Installation
Required Clearances From the Combi Boiler
Maintain the clearances from both combustible and
non-combustible materials.
12 in. (300 mm)
or more
4 in. (100 mm)
or more
Securing of space for inspection/repair
In order to facilitate inspection and repair, the
minimum clearances should be met.
**
16
Installation Clearances
3 in. (76 mm)
or more
*
Exhaust
*
**
24 in.
(610 mm)
or more
* 3 in. (76 mm) or more
** 8 in. (203 mm) or more
Cooking Equipment
When utilizing an indoor air supply, if the Combi
Boiler will be installed in the vicinity of a permanent
kitchen range or stove that has the possibility of
generating steam that contains fats or oils, use a
dividing plate or other measure to ensure that the
Combi Boiler is not exposed to air containing such
impurities.
Exhaust hood
The dividing plate should
be of non-combustible
material of a width
greater than the Combi
Boiler.
Range
4.2 For Quick Connect Multi-System
The Quick Connect Cord is 6 ft (1.8 m) long.
Install the units 3-18 in. (76-457 mm) apart from
each other to ensure the cord will be able to reach
between the units.
3-18 in.
(76-457 mm)
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