A heat pump has a reversing valve, two metering devices and two bypass valves. This allows the unit to provide both A/C and Heat. The diagram above shows a HP (heat pump) in cool mode. The cycle goes like this; 1  The compressor (1) pumps the refrigerant to the reversing valve (2).
Union Gap, Washington. Union Gap redirects here. For the music group, see Gary Puckett & The Union Gap. Union Gap is a city in Yakima County, Washington, United States. As of the 2010 census, the city population was 6,047. Union Gap has a storied history and in recent years has become the retail hub for the entire Yakima Valley as a result of Valley Mall and other thriving businesses being located here.
Union Mills (in Rutherford County, NC) Populated Place Profile. Union Mills (GNIS FID: 1023042) is a populated place located within the Township of Camp Creek, a minor civil division (MCD) of Rutherford County. The elevation of Union Mills is 1,076 feet. Union Mills appears on the Rutherfordton North U.S. Geological Survey Map. Rutherford County is in the Eastern Time Zone (UTC -5 hours).