Rinnai RU80i - PVC;CPVC Equivalent Vent Length Calculation Sheet

36 KB Series Manual
PVC/CPVC Equivalent Vent Length Calculaon Sheet
Note: Ensure switch #1 in the tan bank of dip switches is in OFF posion if vent length is greater than 21 (6.4m).







1) 90 elbow 
5

2) 45 elbow 
2.5

3) IPEX Low Prole Terminaon 
5

4) IPEX 4" Concentric Terminaon 
20

5) IPEX 3" Concentric Terminaon 
20

6)
3" Tee Terminaon

5

7)
4" Tee Terminaon

5

8) 3" Snorkel Terminaon 
10

9) 4" Snorkel Terminaon 
10

10) Length of Straight Secon in feet NA
40

 (add up
lines 1 through
10)
