Excellent for central water heating systems in a residential building. Pump test switch. When the unit is assembled outside, a waterproof case must be provided. Very simple to install. High quality product.
M-SPC1 Differential thermostat controller for solar/Pool hot water heating pump High quality productVery simple to install For indoor or outdoor useExcellent for central water heating systems in a residential buildingOrder Option: for mains 110Vac or 220Vac systemWhen the unit is assembled outside, a waterproof case must be providedPump test switch NTC Sensors are included PCB Size: 100mm*59mm Green double-sided HAL,FR4 1.6MM
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