GPA II CV&AUTO series motor pump is mainly applied to home heating and water circulation in domestic hot water system. The best system met GPA Series circulator pump, following: ·the constant and variable flow heat system ·the heat system of variable flow heat system ·the air-conditioning system ·the industrial circulation system ·the home heating and living water system GPA II CV&AUTO series motor pump has the permanent magnet motor and the different pressure controller, which can continuously adjust pump performance to meet actual requirements of the system. The control panel installed in the front of GPA II CV&AUTO series motor pump is convenient to operate for users.