Mobile Home & Modular Connections

Drain Lines
- Any change in direction; use 45 degree elbows, long Sweep 90 degree elbows or wyes with cleanouts.
- 4" drains require 4" cleanouts (3" drains require 3" cleanouts)
- When connecting PVC to iron, etc., use the proper adapter or a Fernco Coupling.
- Do Not glue ABS (black) to PVC (white) pipe, use threaded adapter or a Fernco Coupling.
- Main drain pipe minimum 3", schedule #30 or #40 PVC or schedule #30 ABS.
HANGERS
Type of Hanger | Distance |
PVC | Every 4′ (or as close to 4′ as possible) |
Copper | Every 6′ (or as close to 6′ as possible) |
Plastic (ridgid) | Every 3′ (or as close to 3′ as possible) |
Plastic (flexible | Every 32" (or as close to 32" as possible) |
CONCRETE BLOCKS, BLOCKING OR LAYING PIPING ON THE GROUND IS PROHIBITED.
Click on image for APPROVED fittings and their proper installation.
45° with wye
Difference between long and short sweep
90 ° long sweep-approved
Click on images for NOT APPROVED fittings.
Sanitary tee, NOT APPROVED
90 ° short sweep in the horizontal position, NOT APPROVED