Best Seller | PARKER QL171R-12-12 Service/Shut Off Valve,3/4 In Copper Refrigeration Service/Shutoff Valve, Style Front Seating, Flow Bi-directional, Connection Size 3/4 in ODF, Outside Dia. 7/8 in, Operating Temp. Range -40 Degrees F to +250 Degrees F, Operating Pressure Vacuum to 750 psi, Body Material Brass,... ... more PARKER QL171R-12-12 Service/Shut Off Valve,3/4 In Copper Refrigeration Service/Shutoff Valve, Style Front Seating, Flow Bi-directional, Connection Size 3/4 in ODF, Outside Dia. 7/8 in, Operating Temp. Range -40 Degrees F to +250 Degrees F, Operating Pressure Vacuum to 750 psi, Body Material Brass,... | | $121.99 go to store |