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The best-selling electric linear fireplace just got better with the all-new Prism Series. Sparkling with intensity in a full spectrum of RGB colors, the Prism series flame effect illuminates the diamond-like acrylic ice ember bed in a show-stopping effect. Complete with a powerful and efficient fan-forced heater, this fireplace adds comfort and ambiance to any space. Plugged in or hard-wired, hung on the wall or built-in, the Prism series is beautifully versatile.

Dimplex BLF74 Brochure


  • Sparkling Ember Bed - Diamond-like acrylic ice ember bed chunks sparkle with the reflected light.
  • Color Themes - Choose from a variety of brilliant color themes or cycle through a range of colors using the prism mode, freezing on the hue of your choice.
  • Supplemental heat - Includes a powerful fan-forced heater designed to heat a room up to 400 square feet, providing supplemental heat when required.
  • Floating LED Display - View temperature settings and specialty functions such as sleep timer and color themes.
  • Multi-function remote - Control 100% of the fireplace features from the comfort of your chair.
  • Year-round comfort - Enjoy the ambiance of the flame with or without the heater for year-round comfort and enjoyment.
  • Safe - With no flame heat or emission and a glass front that remains cool to the touch; our fireplaces are the safe choice for your home.
Dimplex Prism 74 Inch Wall Mounted Electric Fireplace | BLF7451 | Technical Details


Product Details

Fuel Type: Electric
Vent Type: Vent Free
Installation Type: Wall Mount or Partial Recess or Full Recess
Style: Linear
Weight: 136 lbs.
BTU's @ 120V: 4,198 BTU's
BTU's @ 240V: 8,290 BTU's
Amps: 10.3 Amps
Watts: Max 2430W
High Temp Setting: 72°F
Low Temp Setting: 72°F
No Heat Setting: Yes
Dimplex Prism 74 Inch Wall Mounted Electric Fireplace | BLF7451 | Dimensions


Actual Dimensions

Height Width Depth
192/5" 74" 7"

Framing Dimensions

Height Width Depth
181/2" 73" 7"

Technical Drawings

For more detail please see the Installation Manual

BLF74 Technical Drawing 1
BLF74 Technical Drawing 2


How will this fireplace be sent to my house?

The Prism 74 fireplace will be shipped via freight truck. The fireplace will be securely packaged in a wooden crate and inspected before it leaves our facilities. For this type of delivery it is necessary for you or someone you choose to be available at the time and place of the delivery. Read more about how freight shipping works on our FAQ page.

Can this fireplace be recessed into the wall?

Yes, the Dimplex Prism 74 can be either wall mounted or recessed into the wall.

What are the electrical requirements?

The Synergy‚ can hard wired or used with a plug with the Dimplex plug kit, BLF7451-PLUG-KIT. A 15 AMP 120 Volt circuit is required. A dedicated circuit is recommended but not essential in all situations.

Have another question?

Feel free to call, email, chat or use the question and answer system below. We're here to help! (844)635-5499

Questions & Answers

Ask a Question
  • can we switch off the heat but look like it is on

    Absolutely!  Each feature is independent of each other.  Thanks for your question!

  • Does the Prism 74 have multiple heat settings?

    The Prism 74 has two heat settings, low heat and high heat.  Thanks for your question!

Warning CA residents-Prop 65