220V controller of solar water heater, used for separated pressurized solar hot water system ecowitt soil sensor The optimal sensor placement should

The optimal sensor placement should be with 60 degrees tilt with north facing to simulate the condition in most ideal way

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* Material of screen: HTN

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220V controller of solar water heater, used for separated pressurized solar hot water system ecowitt soil sensor The optimal sensor placement shouldDescription: This listing includes: 1 unit of controller for pressurized solar water heating system, 220V. Application: It can be used for the solar hot water heating system: 1 collector array 1 storage tank 1 pump and auxiliary heating. Function Introduction: The solar circuit pump (R1) is switched on as soon as the switch on temperature difference (T on) between the collector array (T1) and the storage tank (T2) is reached. If the temperature