Sterlco Oil Heater Unit Troubleshooting | Servicing | Maintenance Issues

Helping you maintain your Sterlco TCU is a priority to us. As experts in the field of oil heaters, we have identified some of the most common issues below. If you are having difficulty troubleshooting your unit, give us a call at 1-847-360-9170 for a free no-charge troubleshooting consultation.

  • Low Pump Pressure
  • High Pump Pressure
  • Pump Overloads the Motor
  • Heating Contactor Trips
  • Heating Contractor Won’t Engage
  • No Heating
  • Slow Heating
  • No Cooling
  • Slow Cooling
  • Viking Pump Leaking
  • Viking Pump Problems
  • Can’t Reach Desired Pressure
  • Low Oil Flow
  • Spare Parts
  • Obsolete Parts
  • Long Delivery Time of Spare Parts