Burnham K2WTC - Page 25

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Figure 7.7: Horizontal CPVC/PVC Venting with Low Prole Terminal,
(Vent Option #1, Terminal Options B & C)
Figure 7.8: Horizontal CPVC/PVC Venting with Concentric Vent Terminal,
(Vent Option #1, Terminal Options D & E)
VII. Venting B. Design Requirements Unique to Horizontal Twin Pipe Venting Systems (continued)
PITCH INTAKE AWAY FROM
BOILER IF POSSIBLE
BOILER ROOM
PVC AIR
INTAKE PIPE
CPVC VENT PIPE
(FIRST 30" + ELBOW)
PVC VENT PIPE
PITCH VENT PIPE 1/4" PER
FOOT TOWARDS BOILER
BUILDING EXTERIOR
ALTERNATE
ORIENTATION
PITCH INTAKE AWAY FROM
BOILER IF POSSIBLE
3" PVC AIR
INTAKE PIPE
CPVC VENT PIPE
(FIRST 30" + ELBOW)
PVC VENT PIPE
PITCH VENT PIPE 1/4" PER
FOOT TOWARDS BOILER
BOILER ROOM
BUILDING EXTERIOR