Product · United States

Solar hot water temperature difference controller BF-15B + temperature controller to protect the water tank 2 circuits

Product no longer available. The stores we track no longer sell it; last price seen $24.75.

Price history: 2 daily prices tracked since 2026-10-19; lowest $24.75, highest $24.75.

Solar hot water temperature difference controller BF-15B + temperature controller to protect the water tank 2 circuits

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