Patent ID: 7216816

Claim:
An airless application system comprising: a primary product container; a secondary product container; and a sprayer in fluid communication with the primary product container, the sprayer in fluid communication with the secondary product container, the sprayer comprising: an inlet body; a check valve body; an annular channel between the inlet body and the check valve body; a sprayer tip; a primary product chamber for holding a primary product to be dispensed through the sprayer tip, the primary product chamber in selective fluid communication with the sprayer tip, the primary product chamber having an outlet; a manual control which travels through a range, the range including a first position and a second position; a valve assembly responsive to the manual control, wherein when the manual control is in the first position, the primary product chamber outlet is closed; and wherein when the manual control is in the second position, the primary product outlet is open; and a secondary product valve in selective fluid communication with the sprayer tip, the secondary product valve located in the inlet body; a first channel between the secondary product valve and the annular channel; and a second channel between the annular channel and the spray tip.