Meet the newest addition to our fresh water pump line: the 42 Series. The SEAFLO 42-Series (Threaded Fittings) offers our Innovative Variable Flow Technology. No need for an accumulator tank, and no more pump cycling. This advanced technology increases pump life, making this a more dependable pump, while providing you with superior performance. This automatic water demand pump is quiet, compact and very capable. From a small trickle, to full 3.0 GPM open demand, these pumps give you the constant stream you want at any flow rate.