No, the B&G Adapt A Gauge Kit does not come with instructions. We would recommend contacting B&G directly for help on how to install the gauge. They can be reached at 800-544-8811.
Per the manufacturer, the B&G Adapt A Gauge Kit (AG-3) (22026400) is compatible with the B&G Sprayer 2 Gallon 24 in. Wand & Extenda-Ban Valve (N224-S-24)