The GXPC Upper Air Connection Kit (part# 7522) is made up of the following parts:

Devilbiss adjustment nut kit

An access door is a removable door for inspecting and cleaning ductwork and exhaust fans

3-0146 XMV25G26D-F25M2I Direct drive pump

Restaurants & Commercial Kitchens

MTM Hydro 1/2" Plated Steel Ball Valve 1.3 & 1.8 mm The GXPC Upper Air ConnectionFeatures Grade: Professional Style: Gas Inflow: 1 2" Threaded (Female) Outflow: 1 2" Threaded (Female) High Quality Ball Valve For High Pressure Hoses Switch wands, tips, or hoses without shutting down the unit Saves time and effort Sturdy Zinc Plated Steel Construction Ball is chrome plated steel to resist corrosion Teflon Seals Superior leak and hot water resistance 176 F maximum temperature; 7000 PSI maximum pressure Large Handle Easy to turn,