Low or high pressure switch - turns off control circuit when water pressure drops below a set minimum, or above a set maximum.

低压或高压开关- - -用于当水压降低到预先设置的最低值或超过预先设置的最高值时，切断控制电流。

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Pre-wired and tested controls which include control circuit, high and low pressure safety switches, 24 volt control circuit, flow switch & ETL Listed.

预有线和测试控制，包括控制电路，高低压安全开关，24伏的控制电路，流量开关。

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