Burnham K2WTC - Page 26

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Figure 7.9: Duravent PolyPro, Selkirk, Polyue or Centrotherm InnoFlue Horizontal Venting
(Vent Options #2-4, Terminal Option A)
Figure 7.10: Duravent PolyPro Horizontal Venting with Concentric Terminal,
(Vent Option #2, Terminal Option F)
VII. Venting B. Design Requirements Unique to Horizontal Twin Pipe Venting Systems (continued)
PITCH INTAKE AWAY FROM
BOILER IF POSSIBLE
BOILER ROOM
TRIM
COLLAR
SELKIRK POLYFLUE OR
CENTROTHERM INNOFLUE
VENT PIPE
BUILDING EXTERIOR
4
PITCH INTAKE AWAY FROM
BOILER IF POSSIBLE
BOILER ROOM
PVC AIR
INTAKE PIPE
BUILDING EXTERIOR
PITCH VENT PIPE 5/8" PER
FOOT TOWARDS BOILER
3" DURAVENT
POLYPRO VENT PIPE