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When the water flow less than the starting flow, the water flow switch outputs a "off" signal. Working Water Flow Range: 1.5-30L/MIN. Make of copper, durable, anti corrosion, high temperature resistant.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.