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Grand Infinite

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  • Description
  • Accessories

The Marquis Grand Infinite gas fireplace is the largest of the Infinite series with a large viewing area This model can be installed as a single-sided or see-through unit, either configuration will make this fireplace the focal point of your design. Up to 59,000 BTUs will provide plenty of heat, while the accent lighting will seriously upgrade your look.

Specifications/Dimensions - 60" Grand Infinite

  • Model: MQRB6961
  • Fuel: Natural  Gas (NG) or Liquid  Propane (LP)
  • Flue: Top
  • Input High: 62,000 BTU (NG)/ 40,000 BTU (LP), Input Low: 43,000 BTU (NG)/ 31,000 BTU (LP)
  • Fireplace Opening: 64.125" W x 16.125" H
  • Viewing Area: 58.125" W x 13.25" H
  • See-Thru Dimensions (Actual): 69.125" W x 45.375" H x 20.5" D
  • See-Thru Dimensions (Framing): 71.5" W x 45.5" H x 19.375" D
  • Single-Sided Dimensions (Actual): 69.125" W x 45.375" H x 20.5" D
  • Single-Sided Dimensions (Framing): 71.5" W x 45.5" H x 21" D
  • Venting: 7/10" Kingsman Flex
  • Glass Type: Ceramic
  • Electronic Ignition: Yes
  • Millivolt: Yes
  • Certification: Decorative
  • Bedroom Approved: Yes*

* In Canada, must be installed with a listed thermostat. In USA, check with local jurisdiction.

The Grand Infinite offers a wide variety of options that will customize and enhance your fireplace unit. Please reference the pictures under 'Accessories' on the left for visuals.


  • Wall Surrounds
    • Type of Surround: Frame or Edge
    • Color Finish: Black, Pewter, or Stainless  Steel
  • Flame Displays
    • Rock Collections (Multi-Color and Natural)
    • Decorative Ember Glass (Cobalt, Bronze, and White)
    • Contemporary Rock and Driftwood
    • Decorative Stones
  • Liners
    • Porcelain Liners (Reflective or Matte)

The Grand Infinite by Marquis displays a sleek, contemporary look and offers a variety of different finishes, surrounds, and options. This customizable unit is the largest of the Infinite Series and is available as a See-Through or Single-Sided Fireplace.

The Fireplace Element currently has a See-Thru Grand Infinite on display in our store.

Grand Infinite Product Models

  • MQRB6961NE/MQRB6961N: Natural  Gas (Input Max: 62,000 BTU, Input Low: 43,000 BTU)
  • MQRB6961LPE/MQRB6961LP: Liquid  Propane (Input Max: 40,000 BTU, Input Low: 31,000 BTU)

Standard Features

  • SIT Valve with Hi/Lo Flame and BTU Adjustment
  • Accent Lighting with Decorative Glass Ember Bed

Optional Features

  • Choice of Millivolt or IPI electronic ignition system with battery backup, and cold climate switch
  • Single Side or See Through View
  • Surround Trim Kit (Black, Pewter, or Stainless), Two Sizes (Frame or Edge)
  • Porcelain Liners and Porcelain Bottoms
  • Drift Wood/Rock Sets/Decorative Stones or Ember Chunks/Decorative Ember Glass
  • Remote Controls (On/Off, Thermostat, Modulating)

Looking for a quote? Inquire online for a quick quote.