For your extra-large existing fireplace, select the Jackson XXL insert. All the terrific features of our other 2 gas inserts with a 21" x 35" glass size! With numerous customizing options, you're to sure to complement your decor.

The Jackson XXL

High Quality Lifetime Borofloat Glass (21" x 35")
Quick-Latch Glass with Standard Arched Valance
Seasonal Heat-Dump Baffle
Co-linear Air Duct (Manifold)
Automatic Fan (2 - 75 CFM) w/ Variable Speed Control
Black Upper and Lower Grills
Refractory Firebrick Panels (Back & Sides)
Masonry Shell
High-Low Regulator
Patented Burner & Log Design
Tested to 50 Pascal of negative pressure which passes the Minnesota Energy Code for Residential Ventilation

Regency Gas Products
Inserts
The U35
The U32
The E21
The E33
The Hampton

Stoves
The Hampton H15 Small
The Hampton H25 Medium
The Hampton H35 Large
The U37 Ultimate
The U38 Ultimate
The U39 Ultimate
The Classic Freestanding

Fireplaces
The L676
The L900
The U31
The P36
The P42 Panorama
The P33 Panorama
The P131 Panorama Pier
The P121 Panorama
The P90 Excalibur
The P95 Excalibur

Quadrafire Gas Products
Inserts
The Columbia Bay Insert
The QVI25
The QVI30
The QVI35

Stoves
The Garnet
The Sapphire
The Columbia Bay
The Topaz
The Hudson Bay

Fireplaces
The QV36D-A
The QV32-A

Hearthstone Gas Products
Inserts
The Killington

Stoves
The Sterling
The Santa Fe
The Tucson
The Champlain
The Stowe

Jøtul Gas Products
Inserts
The GI 350 DV Little Diamond
The GI 450 DV Katahdin
The GI 550 DV Great Diamond
The GZ 550 DV Acadia Fireplace

Stoves
The GF 100 DV Nordic QT
The GF 200 DV Lillehammer
The GF 3 Allagash
The GF 400 DV Sebago
The GF 600 DV Firelight

Kozy Heat Gas Products
Inserts
The Chaska
The Chaska XL
The Jackson
The Jackson XL
The Jackson XXL

Stoves
The Duluth
The Lakefield
The Okabena

Fireplaces
The 231
The 932
The 936
The SP 36
The 942
The 944 Pier/See-Thru
The 961 Bay Window
The Dassel
The Minnetonka
The Princeton
The Thief River Falls
The Trimont
The Two Harbors
The Windom