Heatco now offers our DF product line as an ETL and UL recognized component from 250 to over 11,000 MBTUs

Submittal Data Sheet Product Specifications OEM Instructions

• Application of this component requires Agency listing /approval in Manufacturer’s equipment
• 100% Combustion Efficiency
• 250 MBH to over 11,000 MBH
• ETL and UL Recognized component listed to ANSI Z83.4 / CSA 3.7
• Built to applicable requirements of ANSI Z223.1 (NFPA 54) in the US and CAN/CGA-B149 in Canada


– Natural or Propane Gas

– Cast Aluminum Headers

– Stainless Steel Diffuser Plates

– Manually Adjustable Profile Plates

– Indoor or Outdoor Installation

Performance Features

– Up to 30:1 Turndown

– VAV Air Flow Down to 50% without Modulating Dampers

– 100% of Available Heat goes into Air Stream

– Integral Safeties and Limits

Optional Features

– Wide Variety of Controls Options

– Gas Train Enclosure (NEMA 4 & 12)

– ANSI, CSA B149, UL, FM or IRI Gas Piping

– All Stainless Steel Construction

– Modulating dampers with integrated air controls

– Variable air volume down to 25%



– Makeup Air Systems

– Process Air Systems