3/4″ Shaft Horizontal Pressure Washer Pump 3400PSI 2.5GPM for Honda GC160 GC190 by | Jul 23, 2026►Karcher: G3050OH, K2400HH, G2400HH. ►rmv 2.5g30 ►Troy-Bilt: 020241, 020241-1, 20242. And the thermal relief valve (TRV) protects the pump from overheating while in bypass mode. Easy set up as video show.