Feature/特征:In-line, easy installation/管道式安装，连接方便Light and excellent design/重量轻，优秀设计Long life/使用寿命长Application/应用:Hot water circulation and heating system/热水循环和采暖系统Air-conditioning systems/空调系统Industrial circulation systems/工业循环系统 General pressure boosting in household/家庭用水增压