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Section 3. Installation
COMBUSTION AIR SUPPLY
For indoor installation, the heater location must provide
sufficient air supply for proper combustion and ventilation
of the surrounding area.
The minimum requirements for the air supply specify that
the room in which a heater is installed should be provided
with two permanent air supply openings; one within
12 inches (30cm) of the ceiling, the other within 12 inches
(30cm) of the floor for combustion air, in accordance with
the latest edition of ANSI Z223.1, or the National Fuel Gas
code, the CSA B149.1, Natural Gas and Propane Installation
Codes, as applicable, and any local codes that may apply..
These openings shall directly, or through duct, connect to
outdoor air.
Pentair Water Pool and Spa, Inc. does not recommend
indoor installations that do not provide combustion
air from outside the building.
Chemicals should not be stored near the heater installation. Combustion air can be contaminated by corrosive
chemical fumes which can void the warranty.
Corrosive Vapors and Possible Causes
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Table 9.
for MasterTemp Heaters
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Table 8.
P/N 472592
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