Caution, Vent adaptors, Combustion air supply – Pentair MiniMax NT LN User Manual

Page 16: Fits all models)

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P/N 472089

Rev. E 4-19-05

16

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CAUTION

Chemicals should not be stored near the heater installation. Combustion air can be contaminated by corrosive
chemical fumes which can void the warranty.

VENT ADAPTORS

(FITS ALL MODELS)

The proper vent adaptor must be installed on the heater
as shown below in

Figure 9

.

COMBUSTION AIR SUPPLY

For indoor installation, the heater location must
provide sufficient air supply for proper combustion
and ventilation of the surrounding area.

The 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 of the ceiling, the other within 12 inches of
the floor. 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.

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Vent
Adaptor

Air Supply Requirements Guide

for MiniMax NT LN Heaters

Figure 9.

1. Remove the six (6) retaining screws from the old

exhaust grill and discard the screws, gasket, and
exhaust grill as shown in

Figure 10

.

GASKET

SCREWS (6)

METAL FLANGE

SCREWS (6)

GASKET

EXHAUST GRILL

2. Install the Vent Adaptor as shown in

Figure 11

.

Make sure the holes in the gasket, metal flange of
the main vent assembly, and heater cover are
aligned before securing into place using the six (6)
screws provided in the Vent Adaptor Kit.

Figure 10.

Figure 11.

Section III. Installation

Table 10.

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