Suttner ST-291 Unloader - 8 GPM, 5070 PSI, 176°F

Genuine Suttner ST-291 unloader valve for high-pressure washers: pressure unloader valve that sends the flow to bypass when the gun closes and returns it to the gun when it opens, protecting the pump. Rated to 8 GPM, 5,070 PSI and 176°F. Suttner part number 200291500. Made in Germany by Suttner.

Part number ST-291. Cross references: 200291500.