Dimplex OptiMyst Cassette 20" Built-In Water Vapor Fireplace - CDFI500-PRO RG
Dimplex Opti-Myst Pro 500 Cassette 20″ Built-In Water-Vapor Fireplace (CDFI500-PRO)
The Opti-Myst Pro 500 Cassette 20″ (Model CDFI500-PRO) delivers lifelike flame and smoke effects via ultrasonic mist and LED lighting. With modular design allowing custom linear lengths, it’s vent-free, gas-free, and glass remains cool. Ideal for visual ambiance with zero heat output and family-friendly safety.
- Water-vapor flame & smoke illusion; modular cassette design
- Optional continuous water supply (plumbing kit available)
- Remote control & adjustable flame height and intensity
- Safe, cool-touch surfaces; no gas, no heat, no venting
Quick Facts
- Voltage / Power: 120 V • 230 W
- Framed Rough Opening: ~20-3/8″ W × 9-1/2″ H × 12-1/4″ D
- Viewed Opening w/ Media Plate: ~20-1/8″ W × 9-1/2″ H × 12″ D
- Viewed Opening w/ Log Set: ~20-1/8″ W × 15-1/4″ H × 14″ D
- Weight: ~24 lb
- Warranty: 2-Year Limited Manufacturer Warranty
Technical Specifications
| Brand | Dimplex |
|---|---|
| Model | Opti-Myst Pro 500 Cassette 20″ (CDFI500-PRO) |
Performance & Operation
| Power Draw | 230 W |
|---|---|
| Electrical Supply | 120 V, direct-wire or plug-in via optional kit |
| Heat Output | None — visual effect only |
| Flame / Smoke Technology | Water-vapor + LED lighting; ultrasonic mist; adjustable flame effect |
| Controls & Features | Remote; adjustable flame height; optional continuous water supply |
| Installation Type | Built-in cassette / modular; non-venting design |
Dimensions & IDs
| Seen Opening (Media Plate) | ~20-1/8″ W × 9-1/2″ H × 12″ D |
|---|---|
| Seen Opening (Log Set) | ~20-1/8″ W × 15-1/4″ H × 14″ D |
| Rough Opening / Framing | ~20-3/8″ W × 9-1/2″ H × 12-1/4″ D |
| Weight | ~24 lb |
| Warranty Term | 2 years limited |
Documents (PDF): Specification Sheet (PDF)
FAQs
Does this model generate heat?
No — this cassette is for visual effect only; no heat output.
What are the electrical requirements?
Requires 120 V, ~230 W; can be direct-wired or use plug-kit accessory.
Where is the flame & smoke visible?
Viewed through front opening; log-set option raises height to ~15-1/4″ H.
Is it safe to touch the glass and frame?
Yes — surfaces are cool-touch under normal operation; unit is vent-free and uses no gas.
Can I use a continuous water supply?
Yes — optional plumb kit is available to avoid manual refilling.
What is the warranty?
2-Year Limited Manufacturer Warranty.
Warranty
Dimplex Opti-Myst Pro 500 Cassette 20″ (CDFI500-PRO) — Manufacturer warranty: 2-Year Limited.
Coverage
| Component | Term | Notes |
|---|---|---|
| Visual components, LED flame / smoke system, controls | 2 years | Defects in materials and workmanship under normal residential use |
Exclusions & Conditions
- Original purchaser only; proof of purchase required.
- Damage for misuse, modification, or improper installation voids warranty.
- Labor, freight/shipping, and accessories not part of visual performance are typically not covered.
Manuals & Installation
- Specification & 3-Part Spec Sheet: Download (PDF)
Pre-Install Checklist
- Ensure rough opening / framing: ~20-3/8″ W × 9-1/2″ H × 12-1/4″ D.
- Provide 120 V supply; prepare wiring for direct wire or plug-kit where applicable.
- Allow access for continuous water supply if using plumbing kit; avoid drafts or strong airflow.
- Support weight (≈24 lb) securely; ensure unit is level.
Compliance & Safety
Install per Dimplex instructions and all local electrical / safety codes. Disconnect power before maintenance.
Use clean water for vapor effect; surfaces remain cool; avoid contact with internal components during operation.