Brochure

© RectorSeal
A condensate switch is an essential component to a properly functioning
HVAC system
7
IMC 307.2.3 Auxiliary and secondary drain systems
In addition to the requirements of Section 307.2.1, where damage
to any building components could occur as a result of overflow from
the equipment primary condensate removal system, one of the
following auxiliary protection methods shall be provided for each
cooling coil, or fuel-fired, appliance that produces condensate:
1. An Auxiliary Drain Pan (Secondary) with a separate Drain Line shall be
provided under the coils
on which condensation will occur....
2. A separate Overflow Drain Line shall be connected to the drain pan
provided with the equipment (Primary Drain Pan). Such over flow drain
shall discharge to a conspicuous point of disposal to alert occupants in
the event of a stoppage of the primary drain. The overflow drain line
shall connect to the drain pan at a higher level than the primary drain
connection.
Required by the
International Mechanical Code