Install a heated collar to your vacuum tank to help prevent your valves from freezing. Make your winters a little better and more profitable by installing heated collars on your vacuum trucks. These quality collars feature: • Utilization of engine coolant to heat valve area. • TIG welded steel construction • Includes close nipple • 1/2" hose barb that is TIG welded • Off center hose fittings for flexible installation • High quality Dupont® Imron epoxy paint • One year warranty on material and labor • 110 volt heater kits available for truck in storage • Installation kits also available