Airless Spray Valve Controller (Single and Dual)Lincoln Controller for Airless Spray Valve for Single and Dual Systems For single and dual Airless sytems. Operates system by setting the time between lubrication events. Includes manual lube botton and system alarm. Dependable, low maintenance, cost effective high pressure system No freeze ups; reduced plumbing, fogging and lubricant consumption Sprays a consistent pattern over a wide range of temperatures Choice of spray patterns puts lube where