The March LC-2CP- MD magnetic drive pump is commonly used with marine air conditioners up to 6000 BTU. It is sold by Marine Air as their P400/PML250. It is the Cruisair PM250.
Inlet: 3/8” female Pipe Thread
Outlet: ¼” Male Pipe Thread
Capacity 260 GPH at 3 foot head.
115 Volt 50/60hz