Check the listing for details. PROCON Pump, Brass Screw Pressure Adjusting, Procon Part#1019. Condition: New. Listed at 1.95 USD. Gregoriou Brothers Refrigeration Since 1979Frosty-Freeze PROCON Pump, Brass Screw Pressure Adjusting, Procon Part#1019 PROCON Pump Part CCP Part# 17638 Procon Part# 1019 PROCON Pump, Brass Screw for Pressure Adjusting NSF Approved NEW Made for the Procon Pumps Price is for (1) one. $PROCON Pump Part CCP Part# 17638 Procon Part# 1019 PROCON Pump, Brass Screw for Pressure Adjusting NSF Approved NEW Made for the Procon Pumps Price is for (1) one. Gregoriou Brothers Refrigeration Since 1979Frosty-Freeze PROCON Pump, Brass Screw Pressure Adjusting, Procon Part#1019 PROCON Pump Part CCP Part# 17638 Procon Part# 1019 PROCON Pump, Brass Screw for Pressure Adjusting NSF Approved NEW Made for the Procon Pumps Price is for (1) one. PROCON Pump Part CCP Part# 17638 Procon Part# 1019 PROCON Pump, Brass Screw for Pressure Adjusting NSF Approved NEW Made for the Procon Pumps Price is for (1) one.