drain from HVAC appliances installed in the attic. This is but one example of the hazards this new text intends to prevent. This text also clarifies that connect. ons to lavatory tailpieces and …

The hub drain would have a barrier trap seal protection device in accordance with the 2015 IPC Section 1002.4.1.4, using plenum-rated CPVC for the drain funnel/body.

May 12, 2017 · The purpose of a trap on an HVAC condensate drain is to allow the unit to drain properly, not to allow direct connection to a sewer system. If the drain is on the negative side …

Mar 25, 2023 · When discharging into a shared drain or sewer system, ensure that it isn't piped so that waste fumes can enter the system or occupied space. IMC 307.2.2 tells us that an A/C …

Feb 9, 2021 · An indirect drain using an air gap should be installed. In some locations, the direct connection of a condensate drain line into a stack is not permitted, even with a trap.

Hub drains shall be in the form of a hub or a pipe that extends not less than 1 inch (25.4 mm) above a water-impervious floor. Hub drains are commonly used as a disposal point for …

All HVAC equipment that produces condensate must have either a secondary drain line or a condensate overflow switch, a secondary drain pan with a secondary drain line, a condensate …

Jan 16, 2007 · The contracter left me a comment stating that whenever possible the condenstation from the HVAC equipment should be a gravity flow drain and not rely on …

We discuss air conditioning, heat pump & condensing boiler or furnace condensate drain leaks, locations, causes, repairs. Air conditioning condensate drain clogging - how to de-clog the A/C …

May 6, 2006 · Are vents on condensation drain lines required for proper condensate drainage? good design of condensate lines calls for a vacuum break (air gap) where the condensate …