SunEarth pump station for closed loop solar DHW systems that do not have a tank with an internal heat exchanger. Complete packaged pump station with Stainless Steel type heat exchanger, Grundfos UPS15-58FRC glycol pump, 15-10B5 brass domestic water pump, fill & purge valves, Steca 301 control with 3 sensors, pressure gauge, relief valve & air purge. Expansion tank not included. For systems up to 200 square feet of collectors.