Installation Guide

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Installing the SH22i Water Heater, Continued...
US Installations1 Canadian Installations2
A = Clearance above grade,
veranda, porch, deck,
or balcony
12 in (30 cm) 12 in (30 cm)
B = Clearance to window or
door that may be opened
4 ft (1.2 m) below or to
side of opening; 1 ft (300
mm) above opening
6 in (15 cm) for
appliances ≤ 10,000 BTUH
(3 kW), 12 in (30 cm) for
appliances > 10,000 BTUH
(3 kW) and ≤ 100,000
BTUH (30 kW), 36 in
(91 cm) for appliance >
100,000 BTUH (30 kW)
C = Clearance to permanently
closed window
*
D = Vertical clearance to
ventilated sot located
above the terminal
within a horizontal
distance of 2 feet (61 cm)
from the center line of
the terminal
*
E = Clearance to unventilated
sot
*
Clearance above grade,
veranda, porch, deck,
or balcony
12 in (30 cm) 12 in (30 cm)
Clearance to window or
door that may be opened
4 ft (1.2 m) below or to
side of opening; 1 ft (300
mm) above opening
6 in (15 cm) for
appliances ≤ 10,000 BTUH
(3 kW), 12 in (30 cm) for
appliances > 10,000 BTUH
(3 kW) and ≤ 100,000
BTUH (30 kW), 36 in
(91 cm) for appliance >
100,000 BTUH (30 kW)
Clearance to permanently
closed window
Vertical clearance to
ventilated sot located
above the terminal
within a horizontal
distance of 2 feet (61 cm)
from the center line of
the terminal
Clearance to unventilated
sot