Title: Vocabulary
Course: HET 190 EPA Certification Preparation > Section: HET 190 EPA Certification Preparation

Vocabulary

Terms

Term | Definitions
Air acetylene tank | Uses a torch handle that incorporates air into the acetylene stream via the venturi effect.
Appliance | Any device which contains and uses a class I (CFC) or class II (HCFC) substance as a refrigerant
B-Tank | Type of air acetylene tank denoted by its 40 cu. ft. capacity
Major maintenance, service, or repair | Involves removal of the appliance compressor, condenser, evaporator, or auxiliary heat exchanger coil.
Oxyacetylene welding | Uses a torch handle with two connections one for acetylene and one for Oxygen
PE pipe | Polyvinyl chloride used in construction because it is more effective than traditional materials such as copper, iron or wood in pipe and profile applications.
Pipe dope | Thread lubricant used to make leak proof and pressure tight pipe joints
Pipe nipple | A Section of pipe threaded on both ends
PVC | Polyethylene Plastic pipe used for water, gas, and irrigation systems
Reclaim | To reprocess refrigerant to the purity specified in the ARI Standard 700-1993
Recover | To remove refrigerant in any condition from an appliance and store it in an external container without necessarily testing or processing it in any way
Recycle | To extract refrigerant from an appliance and clean refrigerant for reuse through oil separation and single or multiple passes through filter-driers, which reduce moisture, acidity, and particulate ...
Small appliance | Any product that is fully manufactured, charged, and hermetically sealed in a factory with five pounds or less of refrigerant.
Street elbow | Special fitting with one female end and one mail end used to join a piece of pipe to another fitting
Teflon tape | Flexible and strong specialized tape used to seal plumbing connections
Torch | Used for cutting, soldering, or brazing
Tube bender | Process used to form soft copper tubing to go around objects or change direction of piping run
Tube Bending | Tool used to bend soft copper tubing