8.715-502.0 is a LANDA unloader for your pressure washer pump. The 8.715-502.0 is a Hm Dx Unset (921462) unloader for power washers. #landa #etscompany #shopetsonline #unloader #powerwasher #pressurewasher
https://www.shopetsonline.com/LANDA-Part-8-715-502-0-p/lan-8.715-502.0.htm
8.715-502.0 is a LANDA unloader