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Heaters must not be installed under an overhang of less than three (3) feet from the top of the heater. Three
(3) sides must be open in the area under the overhang. Roof water drainage must be diverted 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 four (4) feet
below, four (4) feet horizontally from, or one (1) foot above any door, window or gravity inlet into any building. The
top surface of the heater shall be at least three (3) feet above any forced air inlet, or intake ducts located within ten
(10) feet horizontally.
For installations in Canada, pool heaters shall not be installed with the top of the vent assembly within 10 feet
below, or to either side, of any opening into the building. Refer to the latest revisions of CAN/CGA-B149.1 and B149.2.
VENT TERMINAL (Outdoor) Stackless Top Installation
1. Insert tabs into keyhole (4 places).
Pagoda Top
(Shipped
Loose with
Heater)
2. Snap tabs into keyholes so as not to pull out.
Fig. #RP8280.1
11
Fig. # 8278.1
HEATER WITH OUTDOOR STACKLESS TOP
O
utdoor Top
4
foot
Minimum
4
foot
Minimum
1
foot
Minimum
4
foot
Minimum
3
foot
Minimum
10
foot
Minimum
Forced Air Inlet
Fig# 8245.1
U.S. Installations only