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Montigo Phenom 52" See Through Direct Vent Gas Fireplace

SKU L52FSDN
What's Included?
✓ Included Standard
40,000 BTU (NG) / 40,000 BTU (LP)
See-Through Dual Room Viewing
Ice Fireglass
Standing Pilot or Electronic Ignition
15-Year Limited Warranty
🔧 Options
Speckled Stones
Driftwood Logset
Multi-Function Remote Control
Fan Kit
Micro Mesh Screen
Propane Conversion Kit
⚠️ Required to Complete Installation
Vent Pipe (call or email us! Our team will put together a venting package for you with everything you need to safely install)
Original price $9,989.00 - Original price $10,739.00
Original price
$9,989.00
$9,989.00 - $10,739.00
Current price $9,989.00

About This Product

Montigo L52FSD 52" Phenom See Through Direct Vent Gas Fireplace

Maximum Impact. Timeless Dual-Sided Warmth.

The Montigo L52FSD 52" Phenom See Through Direct Vent Gas Fireplace is a stunning centerpiece designed to divide and warm large living spaces with ease. Delivering up to 40,000 BTUs, this expansive unit features a clean, frameless design and Ice Fireglass media that highlights the dramatic two-sided flame view. Built for reliability with a traditional standing pilot system, the L52FSD brings powerful performance and classic functionality into modern interiors.

Key Features

  • BTU Output: Up to 40,000 BTUs (NG) / 40,000 BTUs (LP)
  • Viewing Area: 47" W × 21¹³⁄₁₆" H (each side) for an ultra-wide, dual-sided flame view
  • Contemporary Burner with Ice Fireglass for a sleek and stylish presentation
  • Frameless Glass on both sides for a clean, modern finish
  • High-Temperature Fireglass Media for efficient and lasting heat
  • Micro Mesh Safety Screen included for added protection
  • Standing Pilot System for reliable ignition and classic functionality
  • Battery Backup ensures operation during power outages

Model Configuration

Standard Configuration (Standing Pilot)

  • Concealed contemporary burner with Ice Fireglass
  • rameless dual-sided glass design
  • Standing pilot ignition system
  • Micro mesh safety screens
  • Battery backup

Optional Enhancements

  • Decorative media: driftwood, speckled stones, and colored fireglass options
  • Surrounds available in satin black or stainless steel
  • Multi-function remote control for flame adjustment

Important Installation Notice:

Installation must adhere to Montigo’s certified framing, clearance, and venting specifications. Professional installation is highly recommended for safety and best performance.

The L52FSD with standing pilot brings together powerful heat, exceptional style, and dependable operation—perfect for open-concept layouts or as a bold architectural feature.

  • Venting Type: Direct Vent
  • Style: Contemporary
  • Fuel Type: Propane | Natural Gas
  • Ignition: Standing Pilot
  • Maximum Heat Output NG: 40,000 BTUs
  • Framing Width: 59"
  • Framing Height: 39"
  • Framing Depth: 23 3/4"
  • Viewing Width: 47"
  • Viewing Height: 21 3/4"
  • Inner Vent Size: 5"
  • Outer Vent Size: 8"
  • Front Glass Type: High Temperature Glass
  • P.4. 1-15 Efficiency NG/LP 61.2%

Shipping & Returns

Free curbside freight delivery on every order over $399. Inspect the shipment before signing and note any damage on the delivery receipt — freight damage claims must be reported within 5 business days. Most items can be returned within 30 days of delivery as long as the product hasn't been installed, is in the same condition you received it, and all original packaging is intact. Return shipping and the original outbound freight cost are deducted from the refund, and a manufacturer restocking fee may apply. Custom and made-to-order products are final sale. Cancellations are free any time before shipment (custom orders excepted). Threshold and white-glove delivery upgrades are available — ask our team.

Full shipping policy · Full return policy · Questions? Call (410) 324-6322 — when you call, we answer.

Montigo Residential Product Warranty

Effective Date: July 26, 2023
Coverage Area: United States and Canada
Applies To: Montigo gas appliances purchased on or after August 1, 2019

This limited warranty covers defects in materials and workmanship under normal residential use. The appliance must be installed by a licensed professional and serviced annually by an authorized Montigo dealer to remain eligible for warranty coverage.

Warranty Coverage by Component

Firebox and Heat Exchanger
  • Coverage Period: 15 years
  • Labor Coverage: 1 year
Main Burner
  • Coverage Period: 15 years
  • Labor Coverage: 1 year
Gas Control Valve and Related Components
  • Includes pilot assembly, spark electrode, flame sensors, thermopile
  • Coverage Period: 1 year
  • Labor Coverage: 1 year
Electrical Components
  • Includes blower, ignition module, wiring, switches, remote control systems, bulbs
  • Coverage Period: 1 year
  • Labor Coverage: 1 year
Firebox Media
  • Includes logset, glass beads, river rocks
  • Coverage Period: 1 year
  • Labor Coverage: 1 year
Glass (Thermal Breakage Only)
  • Coverage Period: 1 year
  • Labor Coverage: 1 year
Plated or Painted Finishes and Reflective Glass
  • Coverage Period: 1 year
  • Labor Coverage: 1 year
  • Note: Exterior painted surfaces are not covered
Refractory Lining
  • Coverage Period: 1 year
  • Labor Coverage: 1 year
Mesh or Glass Safety Barriers
  • Coverage Period: 1 year
  • Labor Coverage: 1 year
Power Vent Termination
  • Coverage Period: 1 year
  • Labor Coverage: 1 year
Montigo Terminations
  • Coverage Period: 10 years
  • Labor Coverage: 1 year
Montigo Venting (Excluding Termination)
  • Coverage Period: 15 years
  • Labor Coverage: 1 year

Covered Product Series

  • Distinction
  • Divine and Divine Outdoor (H-Series)
  • Illume (FID Inserts)
  • Phenom (L Series, P Series, PL Series)
  • Exemplar (R Series, RP Series)
  • Mahana
  • DelRay

Warranty Qualifications

  • Appliance must be installed and serviced by an authorized Montigo dealer
  • Installation must follow Montigo instructions and local codes
  • Only Montigo-approved components may be used
  • Appliance must remain in original location
  • Use of solid fuels such as wood or coal voids the warranty
  • Warranty is transferable if all conditions are met

Exclusions from Warranty

  • Rust or corrosion from poor maintenance, chemicals, or inadequate combustion air
  • Damage from unauthorized repairs, misuse, power surges, or natural events
  • Altered or missing serial numbers
  • Costs for diagnosis, shipping, or handling
  • Products purchased online or through auction sites

Submitting a Warranty Claim

  1. Contact the installing dealer or contractor
  2. Provide the original sales receipt, model number, and serial number
  3. If the installing dealer is unavailable, contact the nearest authorized Montigo dealer
  4. Warranty service requires prior written approval from Montigo
  5. Montigo will determine if components will be repaired, replaced, or refunded

Warranty Start Date

  • Coverage begins on the original purchase date
  • For new construction, coverage begins on the date of first occupancy or six months after sale by an authorized dealer, whichever comes first

Contact Information

Montigo – Empire Comfort Systems, Inc.
6955 Salashan Parkway, Ferndale, WA 98248
Email: techsupport@montigo.com

Montigo – Empire Comfort Systems Canada, Inc.
27342 Gloucester Way, Langley, BC V4W 4A1
Email: techsupport@montigo.com