5100PSI Regulator Unloader with Handle 

This is a secondary protection device that should be installed in addition to the primary pressure regulator or unloader. It is typically set approximately 200 PSI above the system pressure set on the primary valve. It offers additional protection to the pump and is recommended in a larger capacity and higher pressure systems.

• Provides system pressure setting and protection for single gun (non-weep) and single pump installation.
• Compact size with optional ports for easy installation.
• Adjusting cap permits easy adjustments of pressure.
• Pressure sensitive feature permits wide range of flows and immediate pressure when gun opens.