Operate your Heliatos Solar Water Heating System with the Topsflo TS5 Series 15PV Solar DC Circulation Pump, designed for use in solar water heating Model TS5 15PV. Installation & Operating Instructions. General Information. This pump can be powered from any 12V source or directly from a PV Solar Panel. the Topsflo TS5 Series 15PV Solar DC Circulation Pump, designed for use in solar The power level can be manually selected or the pump can automatically The TS5 solar DC pump can be used for most circulation pump applications without connection to the power grid. Highly efficient, the TS5 can be connected TOPSFLO TS5 15PV (CU-NPT) 12V DC Solar Water Heater Pump, Solar Circulator Pump, Copper fitting - - Amazon.com.Amazon.com : TOPSFLO TS5 5PV (CU-BSP) 12 Volt Water Pump/DC Solar TOPSFLO TS5 15PV (CU-NPT) 12V DC Solar Water Heater Pump,Solar Circulator Description. Operate your Solar Water Heating System with the Topsflo TS5 Series 15PV Solar DC Circulation Pump, designed for use in solar water heating 1 Heliatos SW-38 Solar Water Heating Panel; 1 TopsFlo TS5 15PV solar Purge Valve with Drill Pump and Instructions; Complete set of fittings and adapters. Free Topsflo help, support & customer service. Find your Topsflo Topsflo Support, Manuals & Customer Service Topsflo Solar Circulation Pump TS5 15 PV.