Optimyst Cassette Pro 500 Vapor Fireplace – 20" Built-In Water Vapor Electric Fireplace (CDFI500-RGB)

A revolutionary 20" built-in water vapor fireplace cassette that creates ultra-realistic, cool-touch flames using ultrasonic mist technology. Designed for custom fireplace builds and modular installations. <br><br>

Elevate your space with the Optimyst® Cassette Pro 500 (CDFI500-PRO)—the next evolution in electric fireplace technology. Featuring state-of-the-art ultrasonic mist, this advanced cassette produces a stunning 3D flame and smoke illusion you can actually touch. Enjoy the atmosphere of a real fire without the heat, venting, gas lines, or safety risks.

The modular design allows you to get truly creative. Combine multiple 20" (CDFI500-PRO) or 40" (CDFI1000-PRO) cassettes to build dramatic linear installations that traditional gas fireplaces simply cannot achieve. Whether you're designing a see-through fireplace, three-sided feature, or open-concept centerpiece, the possibilities are limitless.

For added convenience, pair the unit with a plumbed water supply kit (sold separately) for continuous water feeding and a seamless, maintenance-light installation. This model must be paired with an Optimyst® ProBox (X-CDFI-BX1000 or X-CDFI-BX1500). If you're looking for the standalone version, select the Optimyst® RGB Cassette 20" (CDFI500-PRO-RBG).

Enjoy customizable flame width, modular spacers, and a safe cool-touch ambiance—perfect for homes, hospitality spaces, and modern architectural builds.

⭐ Key Features 

• Realistic Water Vapor Flames: Ultrasonic technology creates stunningly lifelike flame and smoke effects.

• Modular Design: Combine multiple cassettes (20" & 40") to create endless linear fireplace configurations.

• Customizable Flame Width: Includes spacers and slots for adjustable flame size.

• No Heat, No Venting Needed: Safe, cool-touch operation ideal for homes, condos, hotels, lobbies, and commercial spaces.

• Continuous Water Option: Compatible with the plumbed water supply kit (CDFIPLUMB-KIT) for uninterrupted operation.

• Multiple Installation Types: Perfect for see-through, 3-sided, open concept, and custom built-in fireplace designs.

• ProBox Required: This model must be installed with an Optimyst® ProBox (X-CDFI-BX1000 or X-CDFI-BX1500).

• 2-Year Limited Warranty for peace of mind.

⭐ Technical Specifications

• Model Name: Optimyst Cassette

• Model Number: CDFI500-PRO

• Installation Type: Built-In

• BTU Output: 785 BTU

• Voltage: 120V

• Wattage: 230W

• Thermostat: No

• Adjustable Brightness: No

• Adjustable Flame Speed: Yes

• Product Width: 20 in

• Product Depth: 12 in

• Product Height: 9.5 in

• Product Weight: 22 lbs

• Warranty: 2-year limited

Free shipping across the contiguous US. Ships in 2-6 days from our facility.

All shipments are insured and tracked. You'll receive a tracking number via email within 24 hours of dispatch.

30-day returns on stock items in original condition. Free return shipping if the item arrives damaged or doesn't match the listing.

This product is backed by our 5-year limited warranty against manufacturing defects in materials and workmanship.

Warranty covers structural integrity, finish, and hardware. Normal wear, damage from improper installation, and modifications void coverage.

To file a claim, email warranty@exceptionalfire.com with your order number and photos of the issue.