The Velocity Boiler Works (Crown) 233061 Display Kit is a necessary component for BWC series boilers, notably models 070-425. With the help of this digital display kit, vital temperature data can be monitored in real time, guaranteeing HVAC systems operate at peak efficiency. https://www.partshnc.com/233061-velocity-boiler-works-crown-display-kit-bwc-070-thru-425