ZH288 Blue Spring Unloader 1/2" NPT YUB 

FEATURES:

• trapped pressure unloader

• Maximum volume: 21 GPM
• Maximum pressure: 4500 PSI
• Maximum temperature: 195F. The valve is designed for continuous use at a water temperature of 140F. It can operate for short periods at a maximum temperature of 195F.
• Inlet: Dual 1/2" FPT
• Discharge: 1/2" FPT
• Bypass: 1/2" FPT