... Station for Solar Water Heater, with controller, wilo pump, two pipes, flowmeter, thermometere... Solar Working Station / Solar Work Station ... against excessive over-pressure in all operating phases.2.Ball valve,check valve:brass material3.WILO pump:this pump is a standard ... pump)9.System working pressure: 8 bar and safety valve response pressure 6 bar.InstallationVertically installation,installed at flow ...