... reversing valve,valve,reversing valve,4 way valve,4-way valve MODELPORT SIZECONNECTIONO.P.D ... 2")12.8(1/2") 19.2(3/4")0.342.25<40004-8LDH-34 20(7 ... /9")19.05(3/4") 22.2(7/8")0.342.25<60007 ... to the conditioned place Capacity: 4kW Power: 3/4 to 1.5hp Internal leakage: less than 1 ... Minimum operation pressure differential: 0.25mPa 4 ways reversing valve,4-ways reversing valve,valve,reversing valve ...