3/8" ID x 50' 6000 psi Smooth Cover Grey High Pressure Hose R2 DIY KITS As for the burner efficiency

As for the burner efficiency

Made in USA

Kuri Tech or yellow AG hose with crimped on stainless steel or 230' of 3/4" ID Flex Tech RT hose with crimped on ends

Unique unbalanced piston design permits precise pressure adjustment

3/8" ID x 50' 6000 psi Smooth Cover Grey High Pressure Hose R2 DIY KITS As for the burner efficiencyHigh pressure slick, smooth and flexible 2 wire braid gray non marking hose 3 8" MPT x 50' x 6000 psi 250 Deg F max. This is the ultimate pressure washer hose for the value. It is as close to non marking as we can find. As many of you know, even the blue hose leaves behind a little blue dust. When using hot water, we highly recommend choosing a two wire, 6000 psi rated hose. Are you fighting your hose? Pick up a live gun swivel such as a Mosmatic 6920