Installation Guide
Polypropylene (PP) Common Venting Installation Instructions            15 
Copyright © 2018 Rinnai America Corporation. All Rights Reserved.  
Common Vent Components 
 45° Elbow 
6 inch: 790086 
 6 inch: *791026PPS  
4 inch: 790026 
3 inch: 790120 
(All sizes sold in sets of 2) 
90° Elbow 
6 inch: 790087 
 6 inch: *791027PPS 
4 inch: 790027 
3 inch: 790121 
Images below are representative shape of actual components. 
 Bracket 
 6 inch: 790092 
 4 inch: 790091 
 3 inch: 790123 
Centrocerin 
Lubricant 
Diameter 
(inch) 
Length 
(inch) 
Part Number 
3  39  790122 
4  18  790035  
4  39  790028 
4  78  790088 
6  39  790089 / 791028PPS 
6  78  790090 
Extension 
Pitched roof moldable flashing  
6 & 4 inch: 790099 
Flat Roof flashing  
6 & 4 inch: 790101 
*PPS material listed to ULC-S636 for Canadian Installaons 










