AV - Advanced Vertical Unit Heater Unit Heater

Ruffneck™ AV Series Advanced Vertical Throw Unit Heaters are designed for rugged industrial applications meeting the most demanding service and long life requirements. While perfect for steam, circulating hot water or glycol heating systems, these heaters are also suitable for a wide range of other heating fluids. In addition, they can be used for both space heating and liquid cooling applications. Explosion-proof models suitable for hazardous locations available on custom order.


  • Certified for use in ordinary (nonclassified) or hazardous locations
  • Designed and built to ASME Section VIII. All models are Canadian CRN approved
  • Designed for vertical installation in the most rugged industrial applications
  • Built-In disconnect available on all models


models range from 115-575V and 6,000-1,200,000 BTU/hr
maximum operating pressure and temperature rating of 550 psi and 600°F
epoxy powder coated cabinet and nozzle; optional Heresite® coated or stainless steel cabinet available for demanding corrosive environments
anodized extruded aluminum louver blades
UL-listed and/or CSA-approved motors; general purpose or explosion-proof available
all models are Canadian CRN approved