
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 30
(
9.1
) 2
(.6)
(2) 90
°
Elbows with Vent Terminal
2 25
(7.6
) 2
(.6)
(2) 90
°
Elbows with Vent Terminal
3 20
(
6.1
) 2
(.6)
(2) 90
°
Elbows with Vent Terminal
4 15
(
4.6
) 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
1 100
(
30.5
) 10
(3.1)
(2) 90
°
Elbows with Vent Terminal
2 95
(
29.0
) 10
(3.1)
(2) 90
°
Elbows with Vent Terminal
3 90
(
27.4
) 10
(3.1)
(2) 90
°
Elbows with Vent Terminal
4 85
(
25.9
) 10
(3.1)
(2) 90
°
Elbows with Vent Terminal
5 80
(
24.4
) 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.
Summary of Contents for M2TW75T*BN
Page 32: ...32 Wiring Diagram Figure 10...
Page 34: ...34 Lighting and shutdown instructions...
Page 44: ...44 NOTES...
Page 78: ...NOTES Page 34 34...
Page 80: ...Email parts bradfordwhite com techserv bradfordwhite com www bradfordwhite com...