13
INSTALLATION INSTRUCTIONS
The horizontal pipe layout should avoid converse flow or bad flow:
Drainage pipe
Water flow
Drainage pipe
Drainage pipe
Drain tee
Drain tee
Water flow
Water flow
Water flow
Water flow
Water flow
Water flow
Water flow
Water flow
Drain tee
Water flow
Water flow
Keep a certain degree
Branch pipe
Branch pipe
Gas
Gas
Main pipe
Main pipe
Fig.30
For horizontal drainage pipe (The following table is for reference)
Attention: Use DWV/PVC40 or bigger pipe to be the main pipe according to code.