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Iowa Plumbing and Mechanical Systems Examining Board

Licensure Details — Definition

Trade Definitions

The definitions for HVAC, Hydronic, and Refrigeration have been modified as a result of the 2011 Legislative session. These changes are reflected below

"HVAC" means heating, ventilation, air conditioning, ducted systems, or any type of refrigeration used for food processing or preservation. "HVAC" includes all natural, propane, liquid propane, or other gas lines associated with any component of an HVAC system.

"Hydronic" means a heating or cooling system that transfers heating or cooling by circulating fluid through a closed system, including boilers, pressure vessels, refrigerated equipment in connection with chilled water systems, all steam piping, hot or chilled water piping together with all control devices and accessories, installed as part of, or in connection with, any heating or cooling system or appliance using a liquid, water, or steam as the heating or cooling media. "Hydronic" includes all low-pressure and high-pressure systems and all natural, propane, liquid propane, or other gas lines associated with any component of a hydronic system.

"Plumbing" means all potable water building supply and distribution pipes, all plumbing fixtures and traps, all drainage and vent pipes, and all building drains and building sewers, storm sewers, and storm drains, including their respective joints and connections, devices, receptors, and appurtenances within the property lines of the premises, and including the connection to sanitary sewer, storm sewer, and domestic water mains. "Plumbing" includes potable water piping, potable water treating or using equipment, medical gas piping systems, fuel gas piping, water heaters and vents, including all natural, propane, liquid propane, or other gas lines associated with any component of a plumbing system.

"Refrigeration" means any system of refrigeration regardless of the level of power, if such refrigeration is intended to be used for the purpose of food processing and product preservation and is also intended to be used for comfort systems. “Refrigeration” includes all natural, propane, liquid propane, or other gas lines associated with any component of refrigeration.

"Medical gas piping" means a permanent fixed piping system in a health care facility which is used to convey oxygen, nitrous oxide, nitrogen, carbon dioxide, helium, medical air, and mixtures of these gases from its source to the point of use and includes the fixed piping associated with a medical, surgical, or gas scavenging vacuum system, as well as a bedside suction system.

"Medical gas system installer" means any person who installs or repairs medical gas piping, components, and vacuum systems, including brazers, who has been issued a valid certification from the national inspection testing certification (NITC) corporation, or an equivalent authority approved by the board.