12
Heaters must not be installed under an overhang of less than five 5’ (1.52 m) from the top of the heater, and the
vent terminal must be a minimum of 5’ (1.52 m) from any overhang. See Page 18 for vent terminal location
requirements. Three sides must be open in the area under the overhang. Roof water drainage must be divert-
ed away from the heaters installed under overhangs with the use of gutters.
For U.S. installations, the point from where the flue products exit the heater must be a minimum of 4’ (1.22 m)
below, 4’ (1.22 m) horizontally from, or 1’ (0.3 m) above any door, window or gravity inlet into any building. The
vent discharge of the heater shall be at least 3’ (0.91 m) above any forced air inlet, or intake ducts located with-
in 10’ (3.05 m) horizontally.
For installations in Canada, pool heaters shall not be installed with the top of the vent assembly within 10’
(3.05 m) below, or to either side, of any opening into the building. Refer to the latest revisions of CAN/CSA-
B149.
4’ (1.22 m)
Minimum
4’ (1.22 m)
Minimum
3’ (0.91 m)
Minimum
10’ (3.05 m)
Minimum
1’ (0.3 m)
Minimum
4’ (1.22 m)
Minimum
For installations in Florida and Texas that must comply with the Florida or Texas Building Code, follow the
directions on page 13 for the installation of hurricane tie-down method for all models.
Fig. 2: Clearances
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