Product Description The Air Lift Load Controller I Add-On Single Gauge kit is designed to control air springs in pairs from a single compressor. It includes the parts required to add front control to an existing rear air spring setup with an on board air compressor system. This allows control of four air springs independently with two gauges from one compressor. This add-on kit is ideal for motorhomes with four air springs. With a 2-Year Warranty if self-installed, or a 4-Year Warranty if installed by an Authorized Installer, the easiest installations, and best-in-class customer service, it's easy to see why Air Lift air helper springs are America's favorite. Air Lift Company has been developing air spring suspension products for over 70 years and is dedicated to making suspension products that fit, work, and last. Amazon.com The Air Lift 25801 Load Controller I Add-on Single Gauge kit is an accessory to Air Lift's popular Load Controller I Onboard Air Compressor Control System (Air Lift pn: 25655), designed to extend its capabilities. Containing everything needed to add dashboard control and monitoring of front air springs--both at the same pressure--to the original system's independent rear leveling capabilities, this kit allows heavy vehicle owners already using the Load Controller I system to gain expanded heavy vehicle leveling functionality without adding an additional compressor unit. Easy installation along existing Load Controller I system airlineView larger.Extend the Power of Your Load Controller I System The Air Lift Load Controller I Add-on Single Gauge is designed to provide control of front air springs utilizing the same single air compressor found in the original Load Controller I system. This affordable extension of the original product's rear air spring oriented functionality is made possible by tapping into the existing Load Controller I airline. With the addition of a second air gauge and solenoid, both included in the kit, existing/user-provided front air spring control and monitoring from the vehicle's dashboard can quickly and easily be added to an existing Load Controller I system. (Note: pressure variations of front-end vehicle suspension with this kit are simultaneously consistent on both driver and passenger sides) This kit includes all parts required, including gauge with mounting plate, paddle switch and deflation valve, solenoid, as well as necessary airline, connectors, wire valves and ties. FeaturesAccessory for the Air Lift Load Controller I single path system, part number 25655Raises and lowers left and right front-end suspensions together via user-supplied front air springs and using the Load Controller I system's compressor and an additional front-end oriented pressure gaugeMaintains the original independent rear-end air spring based suspension control of the original Load Controller I productOption to control four air springs in pairs from one compressorIncludes a single needle pressure gauge, solenoid, wiring, fittings and linesIncludes complete instructionsTwo Year Limited Warranty Air Lift Company warrants its 25801 Load Controller I Add-on Single Gauge to the original retail purchaser against manufacturing defects for two (2) years when used on catalog-listed applications on cars, vans, light trucks and motor homes under normal operating conditions for as long as Air Lift manufactures the product. The warranty does not apply to products that have been improperly applied, improperly installed, used in racing or off-road applications, used for commercial purposes, or which have not been maintained in accordance with installation instructions furnished with all products.