We have an extensive number of technical documents called Tec-Notes that help with operation, maintenance and troubleshooting of key heatec products. In fact, Tec-Notes comprise the operation manuals for Heatec hot oil heaters (HC and HCS series), asphalt tanks and fuel preheaters. All of these documents are available free here on our website. You can download them in pdf format for offline use or read many of them online. Additional copies of our printed and spiral-bound manuals are available through our parts department.
Additionally, our Service Department has written a Heater Troubleshooting Guide. To download it in pdf format, click HERE.