• 700MN/MP & 700XN/XP
  • Auto
  • Max
  • Optional
    Wall Switch
  • High

Home > Gas Inserts > G3.5 Gas Insert


G3.5 Gas Insert

With over two decades of design innovation and four generations of Legend gas insert DNA, it is no surprise that the Legend G3.5 exudes radiance, high efficiency and the ultimate in comfort control.

Old wood fireplaces are highly inefficient heaters. Replace yours with a gas insert for an air-sealed, energy-efficient and easy-to-use source of home comfort.

Valor inserts provide peak performance and improved operating efficiencies—saving you energy with AutoFire™.


Model Max Input Min Input Max Output Energuide
700MN 26,000 13,000 20,933 70.00%
700MP 26,000 11,000 20,933 70.00%
700XN/XP 24,000 13,000 17,825 70.40%
Gas Type Natural Gas (NG) or Propane (LPG)
Remote Control Quick Guide | Manual
Viewing Area 23 ⅝" w x 15" h = 354 ⅜"²
Min. Cavity Dimensions 28 ⅞" w x 20 ½" h x 13 ½" d
Wall Control 1265WSK
Safety Features Fireplace Safety Tips
CAD's Fireplace CAD details.


The Valor G3.5 gas insert provides energy-efficient, radiant warmth and a variety of design options. Discover more about the G3.5, including log, front, and accessory options.


Discover the benefits of upgrading to a Valor gas fireplace insert. Increase your overall home efficiency while providing ease-of-use heat controls and effective warmth distribution. Watch Now

Options And Features

Fuel Beds
Valor G3.5 Gas Fireplace Insert Birch Logs
700BLK | Birch Logs
View Flame Video
Valor G3.5 Gas Fireplace Insert Driftwood Logs
700DWK | Driftwood
View Flame Video
Valor G3.5 Gas Fireplace Insert Traditional Logs
700LSK | Traditional Logs
View Flame Video
Valor G3.5 Gas Fireplace Insert Driftwood Logs
700XDWK | Driftwood
View Flame Video
G3.5 Gas Insert Murano Glass
700XDGM | Murano Glass
View Flame Video
G3.5 Insert Ledgestone Liner
705LSL V3 | Ledgestone
View Now
Gas Fireplace Reflective Black Glass Liner
706RGL | Reflective Glass
View Now
Gas Fireplace Fluted Black Liner
707FBL | Fluted Black
View Now
Red Brick Liner
708VRL | Red Brick
View Now
Engine Options
700MN/MP & 700XN/XP G3.5 Owner's Manual - NG or LPG (requires fuel bed & liner)
700MN/MP G3.5 Installation Manual - NG or LPG (requires fuel bed & liner)
700XN/XP G3.5 Installation Manual - NG or LPG (requires fuel bed & liner)
709FTB Floating 3-Sided Front - Black (34 ½"w x 24"h)
709FTV Floating 3-Sided Front - Vintage Iron (34 ½"w x 24"h)
709FTZ Floating 3-Sided Front - Bronze (34 ½"w x 24"h)
713FFB Floating 4-Sided Front - Black (34 ½"w x 28"h)
713FFV Floating 4-Sided Front - Vintage Iron (34 ½"w x 28"h)
716ECBR Edgemont Craftsman Front - Bronze (30 ¾"w x 23-5/8"h)
716ECCB Edgemont Craftsman Front - Champagne Brass (30 ¾"w x 23-5/8"h)
716ECPW Edgemont Craftsman Front - Pewter (30 ¾"w x 23-5/8"h)
721EDN Edgemont Front - Brushed Nickel (29-3/8"w x 23"h)
721EDV Edgemont Front - Vintage Iron (29-3/8"w x 23"h)
721EDZ Edgemont Front - Bronze (29-3/8"w x 23"h)
Backing Plates
710BPB Backing Plate Kit - Black - 37 ¾" w x 26 ⅞" h (for use with 709/716/721 fronts)
714BPB Backing Plate Kit - Black - 42" w x 29" h (for use with 709/716/721 fronts)
717BPB 3-Sided Backing Plate - Black (use with 716/721 fronts) (36 ¼"w x 26-5/8"h)
717BPBF 3-Sided Flat Backing Plate - Black (use with 716/721 fronts) (37-3/8"w x 27 ¼"h)
719BPB 4-Sided Backing Plate - Black (use with 716/721 fronts) (36-5/16"w x 29 ¼"h)
Optional Accessories
559CLT Co-Linear Terminal
559SFK Square Flashing Kit (for use with 559CLT)
720SWK-M2 Sidewall Co-Linear Terminal (for use with 700M engines)
725RTB Riser Kit - Black - 40" w x 2 ½" h
793RTB Riser Kit - Black - 46 ¼" w x 2 ½" h
793RTV Riser Kit - Black - 46 ¼" w x 2 ½" h
795CFK V2 Circulating Fan Kit
GV60CKO Outdoor Conversion Kit (700M only)
GV60PAK Power Adapter Kit (for use with ValorStat Max Remote)


Additional Manuals or Options
ValorStat Max ValorStat Max Remote Manual and Quick Guide
700 Specifications
706RGL Reflective Glass Liner
1265WSK Wall Switch Kit
Gas Conversion Kits
700M NGK/PGK G3.5 Insert 700M Gas Conversion Kit
700X NGK/PGK G3.5 Insert 700X Gas Conversion Kit
Archived Models & Accessories
700IN/IP G3.5 700I Insert
700JN/JP Stainless Steel Engine - Natural Gas or Propane
700J NGK/PGK G3.5 Insert 700J Gas Conversion Kit
700XN/XP Ceramic Engine - Natural Gas or Propane
709FTP Floating 3-Sided Front - Brushed Nickel (34 ½"w x 24"h)
716EH Edgemont Hammered Fronts - Oiled Bronze/Brass/Pewter
718ED Edgemont Doors


AutoFire dynamically tunes your fireplace for peak performance and improved efficiencies. Higher outputs and less fuel consumption will save your home energy.

AutoFire™ for Gas Inserts

Valor Fireplaces Safety Information


A Valor Barrier Screen is recommended with all fireplace applications, and is included with your purchase. Close adult supervision is required if there are young children, or at-risk individuals in your home. Fireplace Safety