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LAARS Mighty-Stack TL00-199 - Installation, Operation and Maintenance Instructions User Manual

Page 5

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Mighty Stack Water Heater

Page 5

Figure 3. Installation in Closet.

Figure 4. Gas Supply Piping.

equipped to operate at higher altitudes have
appropriate information on the rating plate.

3.

Use the figures in Table 3 to provide adequate
gas piping from the gas meter to the water heater.

4.

A sediment trap (drip leg) must be provided
ahead of the gas controls (see Figure 4). A
manual gas shutoff valve must also be provided
for service, convenience and safety. This should
be installed about 5 feet (1.5 m) above the floor.
Check the local codes.

drain pan under the appliance. Make sure the
drain pan is properly piped to an adequate drain.

2.

Place the water heater as close as possible to the
vent or chimney.

3.

For minimum clearances around the water heater,
refer to Table 2. Maintain the minimum distances
from all combustible surfaces (see Figure 3). The
unit can be installed in a closet. Pay special
attention to the air supply opening to the closet.
It is recommended that at least 12 inches

(305mm) is allowed around the entire unit for
maintenance, inspection, and plumbing access.

Left

Right

Side

Side

Rear

Front

Flue*

Top

inches

6

6

2

2

6

18

mm

152

152

51

51

152

457

*One inch (25 mm) clearance using type B double wall vent pipe
when vented vertically.

Table 2. Minimum Clearances from

Combustible Surfaces.

4.

This product may be installed on combustible
flooring. Do not install directly on carpeting.

5.

Be sure that the parts in the gas ignition system
are protected from water when the water heater is
operating or being served. Arrange water lines in
the area so that water cannot drip or spray onto
the water heater.

1H. Gas Supply Piping

Please review these instructions before installing

the water heater.

1.

Check that the water heater is fitted for the
proper type of gas by checking the rating plate.

2.

Laars water heaters are normally equipped to
operate below a 2000 foot altitude. Water heaters