Regency Energy U31 gas insert
Regency Energy U31 gas insert thumbnail
Update your ordinary masonry fireplace with the gentle arch of an Excalibur. Heat medium sized living areas in a wide range of styles with this fireplace insert.  Whatever style you choose, Regency quality and the exceptional fire will be a welcome addition to your home.

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

Maximum BTU30,00027,500
Turn Down BTU20,60022,000
EnerGuide Rating52.90%48.07%
View Area361 sq. in.
Room SizeMedium
Vent TypeB-Vent
Min. Fireplace Opening* 
Width (front)29"
Width (back)22.5"

*Excalibur Arch Surround

How it Looks:
  • Efficient upgrade to keep the heat in your home
  • Fully functional optional double doors recreates the ambiance of a real wood fire
  • Heat radiating ceramic glass provides maximum viewing area
  • Realistic logs with beautiful flames and platinum infused bright embers
  • Arched surround provides timeless styling
How it Works:
  • Controllable heat with up to 50% flame turn down
  • Easy access waist height controls
  • Whisper quiet variable speed blower to push the heat
  • B-vent application is ideal for older homes
  • 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 remotes or discontinued manuals please see our Manuals page.


 Product Specification

 Owner & Installation Manual