University of Virginia Library

Sec. 491(13). Refrigerator waste and steam exhausts.

Waste pipe from refrigerators in which provisions are stored,
shall not be connected directly with the drainage system, but
shall waste into an open pan, or over a properly trapped and
water supplied fixture.

No steam, exhaust, blow-off or drip pipe from a steam boiler
shall connect directly with the sewer or with any soil, drain,
waste or vent pipe.