This material is provided to professional service personnel who repair, replace or install equipment. Manufacturer instructions and local codes should always be followed. NORA does not accept any responsibility for installations or service work, nor any product failures.
Fuel Unit Pressure, Cutoff & Primary Control Safety Timing Test
Bioheat® Fuel Dealing with Problems in the Field
Combustion Analysis Reference Chart A quick-reference guide that helps technicians interpret combustion test results and identify corrective actions based on readings such as O₂, CO₂, excess air, draft, stack temperature, smoke, and carbon monoxide. PDF for Download Interactive Web
Oil Burner Tune-Up Flow Chart A step-by-step maintenance guide that walks technicians through the annual service process, from customer interview and system inspection through combustion testing, safety checks, documentation, and final verification. PDF for Download