细节
We are proud to be the first North American distributor to offer Grandfar's top line of smart ECM circulators comparable to Wilo Maxo and Grundfos Alpha-3 lines in terms of functionality, The GEM PRO line includes all the advanced features you'd expect like fixed multi-speed, constant pressure, variable pressure, auto-adapt modes. They include an internal temerature sensor and will accept an external sensor for delta-T control or heat metering applications. https://thermatlantic.com/gem40-120f-250-pro/
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