Changes in this edition include:
- Condensate pumps located in uninhabitable spaces and used with condensing fuel-fired appliances and cooling equipment must be connected to the appliance or equipment to prevent water damage if the pump fails.
- The ventilation system for enclosed parking garages must operate continuously or be automatically controlled for intermittent operation utilizing both carbon monoxide and nitrogren dioxide detectors.
- New text recognizes the use of dryer exhaust duct power ventilators (DEDPV) for installations that exceed the allowable exhaust duct length for clothes dryers.
- New text regulates the design and construction of exhaust shafts that serve domestic kitchen exhause systems in multi-story buildings.
