Part Number: 8.715-500.0
Cross Reference Part Number(s): 5-3312, 87155000, 921378
This 8.715-500.0 universal unloader valve features High-Temp O-Rings and can be used to regulate pressure on Hotsy, Landa, Karcher, Legacy and other brands of pressure washer pumps. Rated for up to 6.6 GPM and 600 PSI.