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Installing the water heater.
Number of
90° elbows
with Vent
Number
of 45°
Elbows
Maximum Vent Pipe
Length in Feet (ft)
0’ - 2,000’
Maximum Vent Pipe
Length in Feet (ft)
2,001’ and above.
See Maximum Altitude
chart on left.
One (1) None 45 35
One (1) One (1) 42.5 32.5
Two (2) None 40 30
Two (2) One (1) 37.5 27.5
Three (3) None 35 25
Minimum vent length for 3” vent pipe is one (1) foot of vertical pipe, one (1)
90°elbow, and four (4) feet of horizontal pipe.
Maximum Venting information for 3” Vents
** For the 3” vent, one 90° elbow is approximately equal to 5 feet of vent
pipe. One 45° elbow is approximately equal to 2.5 feet of vent pipe.
Models
Maximum
Altitude for
3” & 4”
Vents
42VP60F
42VP60PF
7,700’
Number of 90° elbows
with Vent
Number of
45° Elbows
Maximum Vent Pipe
Length in Feet (ft)
0-Maximum Altitude: See chart on upper left.
One (1) None 95
One (1) One (1) 92.5
Two (2) None 90
Two (2) One (1) 87.5
Three (3) None 85
Three (3) One (1) 82.5
Four (4) None 80
Four (4) One (1) 77.5
Five (5) None 75
Maximum Venting information for 4” Vents**
** For the 4” vent, one 90° elbow is approximately equal to 5 feet of vent
pipe. One 45° elbow is approximately equal to 2.5 feet of vent pipe.
Minimum vent length for 4” vent pipe is one (1) foot of vertical pipe, one (1)
90°elbow, and four (4) feet of horizontal pipe.
Maximum and Minimum Vent Lengths for Residential
60 Gallon Power Vents ONLY
NOTICE: The mixing of 3" and 4"
vent pipe is not recommended. If
4" pipe is used, a 2" to 4" reducer
fitting is recommended at the
rubber coupling.
This water heater is supplied with
a 3" Schedule 40 PVC 90° vent
terminal. When venting with 4"
pipe, a Schedule 40 PVC 90° vent
terminal must be used. Screens for
both 3" and 4" vent terminals have
been included.