Thread-On Trap type External Bybass Pressure Regulator/Unloader

• Universal trap type external bypass adjustableunloader, releases pressure?in pump head when in bypass and discharge the water from the bypass port.
• Forged brass valve housing built with or without detergent injector,stainless steel??banjo bolt,molded plastic adjustable knob,pressure lock out.
• Thread available for BSP,NPT.