Ozwell E. Spencer (ãªãºã¦ã§ã«ã»Eã»ã¹ãã³ãµã¼, Ozuweru E SupensÄ) is one of Resident Evil's most important and mysterious characters. In the series, he is the owner and co-founder of the Umbrella Corporation, a pharmaceutical drug company that secretly manufactures bio-organic weapons.
These types of pumps give very reliable performance for a number of years. Unfortunately, life is hard for a motor stuck in the bottom of a well. The average lifespan of a pump is probably about 10-15 years. Some pumps will definitely go longer, while some stop working in less. One way or another, the pump will need to be replaced at some point. The pump to the left was in use for about 12 years.
1 According to the Air Conditioning, Heating & Refrigeration Institute (AHRI), the average lifespan of a heat pump is approximately 14-15 years.2  A 2006 survey by the National Association of Home Builders (NAHB) found the average life expectancy for a heat-pump system was 16 years. A 2006 survey by the National Association of Home Builders (NAHB) found the average life expectancy for a heat-pump system was 16 years. 2  Additionally, experts agree that newer heat pumps will often last beyond the 15-year mark, while older systems manufactured before the '80s last for about 15 years.