Overview Other Details Reviews Product Description ZK7.2 UNLOADER 4.2-6.6 GPM 3500PSI FEATURES: Features all stainless and brass internal parts Design reduces sensitivity to entrapped air No external moving parts or springs Eliminates high pressure in all lines while unit is in bypass mode Bypass restrictor eliminates pressure peaks during bypass Unique balanced piston design permits precise pressure adjustments Simple design for easy maintenance and service SPECIFICATIONS: Maximum Volume: 4.2 to 6.6 GPM Discharge Pressure: 0 to 3000 PSI Maximum Temperature: 165 F Inlet Port: 3/8" FPT Outlet Port: 3/8" MPT Bypass Port: 3/8" FPT Dimensions: 7.50" x 3.75" x 3.50" Weight: 4.5 lb Other Details null Product Videos Custom Field Product Reviews Write a Review Write a Review × GP K7.2 UNLOADER 4.2-6.6 GPM 3500PSI Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *