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The Regency Horizon HZI234E is a clean front fireplace insert that slides easily into your existing drafty steel fireplace and transforms it to a high efficiency heater. This small contemporary direct vent gas insert is perfect for airtight homes or basements because the sealed firebox doesn’t use in-home air. 

Backed by the industry’s most comprehensive Limited Lifetime Warranty.

Maximum BTU16,50015,000
Turn Down BTU12,00012,000
EnerGuide Rating68.24%69.52%
View Area234 sq. in.
Room SizeSmall
Vent TypeDirect Vent
Min. Fireplace Opening* 
Width (front)25"
Width (back)16"

*Regency Low Profile Faceplate

How it Looks:
  • Linear firebed covered with glass crystals accentuate the dramatic flames
  • Modern, efficient upgrade to keep the heat in your home
  • Compact, yet powerful insert provides ample heating and ambience
  • Crystal clear ceramic glass provides maximum viewing area
  • Choice of three tasteful style of finishing faceplates that frame the beautiful fire.
How it Works:
  • Regency Horizon™ linear fire bed
  • Electronic Ignition with SureFire switch
  • Whisper quiet variable speed blower to push the heat further into your room
  • Easy Clean Glass SystemTM
  • Easy access waist height controls
  • Direct vent technology protects your in-home air quality.
  • Operates on natural gas or propane

To download manuals, right-click on a link and choose "Save...". All manuals are in PDF format and require you to have a PDF reader installed on your computer in order to view them. You can download the Adobe Reader for free from

For electronic ignition products and French manuals please see our Manuals page.


 Product Specification

 Owner & Installation Manual

 Owner & Installation Manual (French)