Part Number: 8.715-504.0
OEM / Old Part Number(s): 5-3315, 87155040
This 8.715-504.0 Unloader valve, LG w/ Knob can be used to regulate pressure on Hotsy, Landa, Karcher, Legacy and other brands of pressure washers. Rated for up to 6.6 GPM, 2200 PSI