Installing the water heater.
Maximum and Minimum Vent Lengths for Residential 60 Gallon Power Vents ONLY
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
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Models | Altitude for | |
3” & 4” | ||
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42VP60F | 7,700’ | |
42VP60PF | ||
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Number of | Number | Maximum Vent Pipe | Maximum Vent Pipe | |
Length in Feet (ft) | ||||
90° elbows | of 45° | Length in Feet (ft) | ||
2,001’ and above. | ||||
with Vent | Elbows | 0’ - 2,000’ | ||
See Maximum Altitude | ||||
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| chart on left. | |
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One (1) | None | 45 | 35 | |
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One (1) | One (1) | 42.5 | 32.5 | |
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Two (2) | None | 40 | 30 | |
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Two (2) | One (1) | 37.5 | 27.5 | |
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Three (3) | None | 35 | 25 |
**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.
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.
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.
Maximum Venting information for 4” Vents**
Number of 90° elbows | Number of | Maximum Vent Pipe |
with Vent | 45° Elbows | Length in Feet (ft) |
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Altitude: See chart on upper left. | ||
One (1) | None | 95 |
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One (1) | One (1) | 92.5 |
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Two (2) | None | 90 |
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Two (2) | One (1) | 87.5 |
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Three (3) | None | 85 |
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Three (3) | One (1) | 82.5 |
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Four (4) | None | 80 |
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Four (4) | One (1) | 77.5 |
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Five (5) | None | 75 |
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**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.
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