Bradford White M-2-TW-75T6SX User Manual
Page 22
22
Venting (Part II) continued-
TABLE 7
2” (5.1 cm) VENT PIPE LENGTHS FROM INSIDE WALL FOR LOW
GROUND CLEARANCE INSTALLATIONS
Terminating #
of
Elbows
Max straight
Length ft (m)
Min straight
Length ft (m)
(2) 90
° Elbows with Vent Terminal
1 45
(13.7) 2
(.6)
(2) 90
° Elbows with Vent Terminal
2 40
(12.2) 2
(.6)
(2) 90
° Elbows with Vent Terminal
3 35
(10.7) 2
(.6)
(2) 90
° Elbows with Vent Terminal
4 30
(9.2) 2
(.6)
TABLE 8
3” (7.6 cm) VENT CONNECTOR LENGTHS FROM INSIDE WALL FOR
LOW GROUND CLEARANCE INSTALLATIONS
Terminating (Reduce 3” to 2”)
(Reduce 7.6 cm to 5.1 cm)
#of
Elbows
Maximum
Length ft (m)
Minimum
Length ft (m)
(2) 90
° Elbows with Vent Terminal
1 115
(35.1) 10
(3.1)
(2) 90
° Elbows with Vent Terminal
2 110
(33.5) 10
(3.1)
(2) 90
° Elbows with Vent Terminal
3 105
(32) 10
(3.1)
(2) 90
° Elbows with Vent Terminal
4 100
(30.5) 10
(3.1)
(2) 90
° Elbows with Vent Terminal
5 95
(29) 10
(3.1)
HIGH ALTITUDE INSTALLATIONS FOR ELEVATIONS OVER 2,500
FEET (610 m) ABOVE SEA LEVEL
The capacity of the induced draft blower declines with increasing altitude due to
a reduction in the air density. In order to assure safe and reliable performance
of the water heater, contact the supplier for high altitude kit.