VENTING
Required: 4 Pcs. 4" 90 degree elbow (4 x 5 = 20 Equivalent Feet) = 20 Equivalent Feet
Required: 20' of 6" Plastic PVC Pipe (20 x 1 = 20 Equivalent Feet) = 20 Equivalent Feet
Total Friction Loss in Equivalent Feet (20 + 20 = 40 Equivalent Feet) = 40 Equivalent Feet
C. LONGER VENT RUNS USING A COMBINATION 4" TO 6" PIPE
CAUTION
Do not exceed the 85 foot maximum requirement for 4" PVC and the 125 foot maximum requirement for 6" PVC (intake plus exhaust piping added together) including fitting allowance shown in friction loss equivalent table on previous page.
CAUTION
Transitioning from 4" to 6" should be done in the Vertical position to avoid condensation blockage. If done in the horizontal position check to make sure condensation blockage will not occur.
The connection of air inlet and exhaust vent at the heater must remain 4" and each vent must extend from the heater a minimum of 15 equivalent feet before transitioning to a 6" vent. The overall extended maximum length of pipe on the inlet exhaust combined, must not exceed 125 equivalent feet. Listed below are the 4" and 6" size equivalent table.
Fittings or Piping |
| Equivalent Feet |
|
|
|
4" or 6" 90 degree elbow | = | 5 |
4" or 6" 45 degree elbow | = | 3 |
4" or 6" Coupling | = | 0 |
4" or 6" air inlet tee | = | 0 |
4" or 6" Plastic Pipe | = | 1 |
4" or 6" V2000 Vent Kit | = | 0 |
Example: Installation requires the following material for both the inlet and exhaust piping when extending the vent run for the Munchkin.
Requirements for 4" Venting |
|
|
| ||
2 | Pcs. – 4" | 90 degree elbow | (2 x 5 = 10 Equivalent Feet) | = | 10 Equivalent Feet |
20' of 4" Plastic PVC Pipe | (20 x 1 = 20 Equivalent Feet) = | 20 Equivalent Feet | |||
Total of 4" Equivalent Piping with Fittings | = | 30 Equivalent Feet | |||
Requirements for 6" Venting |
|
|
| ||
6 | Pcs. – 6" 90 degree elbows (6 x 5 = 30 Equivalent Feet) | = | 30 Equivalent Feet | ||
4 | Pcs. – 6" 45 degree elbows (4 x 3 = 12 Equivalent Feet) | = | 12 Equivalent Feet | ||
40' of 6" Plastic PVC Pipe (40 x 1 = 40 Equivalent Feet) | = | 40 Equivalent Feet | |||
Total of 6" Equivalent Piping with Fittings | = | 82 Equivalent Feet | |||
Total Friction Loss in Equivalent Feet for both 4" and 6" (30 + 82 = 112
Equivalent Feet) = 112 Equivalent Feet
DANGER
The Munchkin is not intended to be common vented with any other
existing appliance!
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