... Solar Working Station for Solar Water Heater, with controller, wilo pump, two pipes, flowmeter, thermometere... Solar Working Station / Solar Work Station for Solar Water Heater/Solar Water Heating System / Solar ... :EPS11. Screw thread:1/2inch.12. Maximum working temperature of pipeline:flow trip(manometer side)150oCreturn trip ... operation,check system whether have leakage. Solar Working Station