SR21L Solar Water Heater System Controller Smart Solar Water Heater Controller Accessories

1) Non-return valve: opening pressure 200mmH2O
2) Connector of flow outlet (to collector):3/4’ IT
3) Safety valve: 6bar
4) Filling connector
5) Connector of expansion vessel
6) Manometer: 0-6bar
7) Sensor on return pipe (from tank to collector),NTC10K ( optional)
8) Circuit pump:Conventional pump :Wilo RS15/6 , Groundfos SOLAR15-65 130，Shinhoo GPD20-6S
High efficiency pump :Wilo PARA ST 7.0PWM2 ,Groundfos UPM3 SOLAR15-75 130, Shinhoo GPA20-6 II 01
9) Connector of drainage valve
10) Digital flow counter Return outlet connection (from collector): 3/4 IT
11) Connector of flow inlet (from tank):3/4’ IT
12) Connector of flow outlet (to tank):3/4’ IT ( no this connector on SR11L,SR11H station)
13) Air separator
14) Manual air bleeder
15) Sensor on flow pipe (from collector to tank,NTC10K , no sensor on SR11L,SR11H
station)
16) Connector of flow inlet (from collector, not available on SR11L,SR11H station):3/4’ IT