2013年12月23日星期一

What Is 4-Way Valve of Heat Pump?


What Is 4-Way Valve of Heat Pump?
Four-way  valves have four pipe connections.  It controls the switch of high/low pressure, heating and cooling. It is a necessary component of heat pumps.


Wotech is strict with every component. Before production, every component is 100% checked. For more please visit www.wotech.cn.

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