- pilot operated absolute valve: (POA)
- A suction throttling device used on some GM and Ford air conditioner system.
Dictionary of automotive terms. 2015.
Dictionary of automotive terms. 2015.
pilot operated absolute — See POA suction throttling valve … Dictionary of automotive terms
POA — Acronym for pilot operated absolute valve used in some air conditioning systems … Dictionary of automotive terms
POA suction throttling valve — A term standing for pilot operated absolute and is a modification of a suction throttling valve which has a metal bellows with a vacuum instead of a diaphragm; it provides more accurate evaporator pressure control, allowing for lower evaporator… … Dictionary of automotive terms
suction throttling valve — (STV) A backpressure regualted valve on some Ford and GM systems placed between the air conditioning evaporator and compressor which controls evaporator pressure to provide maximum cooling without icing evaporator core. See POA suction throttling … Dictionary of automotive terms