Standex Master-Bilt B-SERIES Installation & Operation Manual page 10

EVAPORATOR DRAIN LINE INSTALLATION:
a. Copper lines must be used for drains. Plastics are not
acceptable.
b. Drain lines must exit the freezer or cooler as quickly as
possible and must have a pitch of at least 1/8" inch/foot
downward or meet the local code requirements.
c. Drain lines must have individual traps for the cooler and
the freezer and the trap cannot be inside the freezer.
Freezer/Cooler Combo Drain line:
5/16 Rev. B 57-02497 10