Profile: High Voltage Supply (HVS) is a manufacturer of replacement parts and transformer components. Our product line includes oil circuit breaker kits & arcing contacts, load tap changer expertise, flexible lease kit program, Transformer Health Products® nitrogen generator, inert air systems, LTC oil filtration systems, auto-recharging dehydrating breathers & PTC heaters and GE breaker components. Our Transformer Health Products® inert air systems are designed to protect transformer oil in the main tank from oxidation and moisture absorption by keeping tank pressure at proper preset levels. We offer lift rods, interrupter housings, bushing adapter assemblies, crossarms and mechanism bearing replacement kits.