The Aquatec variable speed water pump is available in two versions. The ARV model is designed for replacement of an existing OEM installed pump. The AES model is designed to replace the standard pumps on most low-end RVUs to upgrade to new variable speed technology. Each pump includes two 1/2-inch straight x threaded Qest male quick-connect fittings. 55-AQUAJET-ARV: *Highest Flow* 5.3 GPM, 80 PSI, 10 Amps, 12 V DC