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Dimplex 40" Professional Built-In Box With Heat for CDFI1000-Pro

by Dimplex
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Introducing the Dimplex 40" Professional Built-In Box With Heat: Elevate Your Cozy Game Like a Boss!

Looking for an Completed All-In-One Dimplex Optimyst Fireplace? Check this out.

Want to learn more about Water Vapor Fireplaces? Read Here.

🔥 Heat Up, Show Off: Picture this – you're snuggled up like a kitten in a blanket fort, surrounded by the gentle embrace of warmth. That's the magic of the Dimplex Professional Built-In Box. With heat that's as comforting as a bear hug from your grandma, this beauty turns your space into a sanctuary of coziness.

🎨 Customize Your Comfort: Say goodbye to cookie-cutter heating solutions! The Dimplex Pro Built-In Box lets you call the shots. With its sleek 40" design, you've got the canvas to create your ultimate cozy masterpiece. Whether you're dreaming of a rustic cabin vibe or a modern minimalist haven, this box is your creative playground.

🔉 Whisper-Quiet Charm: Silence is golden, and this box knows the drill. It's like having a secret admirer – you'll feel the heat, but you won't hear a peep. No noisy interruptions to your tranquil ambiance, just pure, uninterrupted warmth and relaxation.

💡 Pro-Level Sophistication: You're not just getting a heater – you're getting a piece of art that knows how to make an entrance. The Dimplex 40" Professional Built-In Box is designed to be seen. Slide it into your space, and watch as jaws drop and cozy vibes skyrocket. It's a conversation starter, a mood enhancer, and your ticket to boss-level comfort.

🌟 Easy-Breezy Brilliance: Who said sophistication had to be complicated? Installing the Dimplex Pro Built-In Box is a breeze, even if you're more of a "let's DIY this" kind of person. It's as simple as ABC – Attach, Beautify, Cozy up. You'll have it up and running before your popcorn finishes popping.

P.S. Your cozy dreams are just a click away. Dive into the world of warmth and elegance with the Dimplex 40" Professional Built-In Box With Heat. Get yours today and let the cozy vibes take over!

Dimplex 40" Opti-myst Pro 1000 Built-in Firebox with Heat Accessory. Does not include the X-2112612 (Previously CDFI1000-PRO) 1000mm built-in cassette. REQUIRES X-2112612 (Previously CDFI1000-PRO)

Don't want to buy the fireplace in individual pieces? 

Purchase the COMPLETED Optimyst Pro Set-up here. 

Dimplex 40 Professional Built-In Box With Heat for CDFI1000-Pro -X-CDFI-BX1000- Lifestyle in Staircase

Install as a single sided unit or remove the included hi-gloss backer panel and convert to a see-through design, contains a discrete heater. 1,460 W/120 V.

The Dimplex Professional Built-In Box allows streamlined installation of the CDFI1000-PRO Optimyst cassette. With the heater incorporated into the Dimplex CDFI-BX1000 box, you can increase the functionality of your CDFI1000-PRO Optimyst cassette. The Dimplex CDFI-BX1000 box is designed for one-sided or two-sided see-through installations. Dimplex CDFI1000-PRO sold separately.

See also the Dimplex GBF1000-PRO, for combination X-2112612 (CDFI-BX1000) frame plus CDFI-1000P cassette.


  • 40" surround box for built-in installation of Dimplex CDFI1000-Pro model electric fireplace (X-2112612)
  • Size: 40 Inch
  • Color: Black
  • Product Dimensions: 46 5/8" W x 31 3/4" H x 16 1/4" D
  • Field installable
  • Includes 7' cord and plug
  • Enables hardwire system
  • For use with 120 V setting only
  • For Opti-Myst Pro Fireplaces only
  • Wall thermostat option not available with plug kit
  • Cassette and front glass accessories sold separately Dimplex models FG1000& CDFI1000-PRO (X-2112612)
  • Compatibility: GBF1000-PRO

Read this to learn more about Water Vapor Fireplaces


    Front Glass Pane

    Your Opti-Mist Pro 1000 Electric Firebox needs a Dimplex front glass pane. This single pane glass panel give a clear view of the flames without ever getting hot to the touch. This Dimplex glass pane is made for Opti-Myst Pro 1000 surround boxes.


    • 40-5/8" x 14-1/2" x 1-5/8"
    • 103.0 cm x 36.8 cm x 4.1 cm

    Opti-Myst® Pro 1000 Built-In Electric Cassette

    Dimplex Opti-Myst 1000 Water Vapor 40" Electric Fireplace Cassette is a customizable Water Vapor Fireplace that creates realistic 3D flames by using LED lights and steam without the danger of fire. Perfect for houses without chimneys, hotels, restaurants, offices, & high-rises.




    Dimplex 40 Professional Built-In Box With Heat for CDFI1000-Pro - Owner's Manual

    Dimplex 40 Professional Built-In Box With Heat for CDFI1000-Pro