Core TradesQuestion 37 of 700
A cooling-coil condensate drain line must slope toward its point of discharge a MINIMUM of about:
a.1/8 inch per foot
b.3/8 inch per foot
c.1/2 inch per foot
d.1 inch per foot
Explanation
Condensate drains are generally required to slope at least 1/8 inch per foot so water flows out by gravity without pooling. Steeper slopes are acceptable but not the minimum requirement.
Law Reference: 2025 CA Mechanical Code (CMC) §310 (Condensate)Practice all 700 questions free — no signup required.
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