Monessen Solstice 33" Vent Free Gas Insert

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The Monessen Solstice 33" Ventless Gas Insert provides an efficient and reliable way to upgrade your existing fireplace. Its vent-free design ensures that all the heat produced stays in your home. It can help you save money on utility bills while conserving energy for a more sustainable future.

The Solstice uses Monessen's Natural Blaze Burner Technology to produce realistic yellow flames and a glowing ember bed for an authentic fire appearance. It also offers two interior options: a traditional brick liner for a classic look or a reflective black glass liner for a modern, contemporary style.

This gas insert is available with two control systems: millivolt and IPI (Intermittent Pilot Ignition). The millivolt system operates with a standing pilot light to generate its own small voltage to control the gas valve. This makes it completely independent of electricity, ensuring reliable operation even during power outages. The IPI system ignites the pilot light only when the fireplace is in use, reducing gas consumption and improving efficiency. IPI systems are often paired with a remote control for added convenience.

The Solstice includes an 18-inch flexible gas line with an on/off shut-off valve to simplify installation and allow safe and quick control of the gas supply during servicing, emergencies, or routine maintenance. The easy-access control panel ensures straightforward operation to give you quick access to system adjustments or inspections without unnecessary effort.
It delivers more heat into your space without losing energy through a chimney or vent. This design also simplifies installation. It requires fewer modifications and making the insert suitable for a variety of locations. 

The Monessen Solstice is CSA-certified for safety and performance. It offers reliable operation, flexible design options, and an effective heating solution.


Features:

  • Ventless Design: Enjoy greater flexibility in placement with no need for a vent or chimney.
  • Zero Clearance Installation: Fits seamlessly into tight spaces, making it ideal for almost any room.
  • Mesh Screen Front: Enhances safety while maintaining a sleek, modern look.
  • Easy Access Control Panel: Convenient operation with controls designed for quick adjustments.
  • 135 CFM Blower: Efficiently distributes warmth throughout your space.
  • Millivolt or IPI Control Options: Choose the ignition system that fits your preferences.
  • Field-Installed Accessories
    • Fireglass Media Options: Add a touch of elegance with your choice of sparkling fireglass.
    • Versatile Firebrick Panels: Customize the interior with Cinnamon, Colonial Red, Black Magic, or Black porcelain panels.
    • Stylish Surrounds: Select from two surround designs to complement your décor.
    • Convenient Remote Controls: Upgrade to remote operation with options like RCB, RCMT, TSMT, RCST, or TSST for personalized comfort.

Specifications:

  • Model: Solstice/VFI 33
  • Front Width: 33-3/8" (actual), 33-1/2" (framing)
  • Back Width: 22-5/8" (actual), 33-1/2" (framing)
  • Height: 23-7/8" (actual), 24-1/2" (framing)
  • Depth: 18-1/4" (actual), 16" (framing)
  • Viewing Area: 31" x 19"
  • BTU/hr Input: 28,000 (NG) / 27,000 (LP)

**For more detailed specifications, please visit the Tech Specs tab.
**For detailed information and documents, please visit the Downloads tab where you'll find PDFs and additional resources available for download.


SOMETHING TO CONSIDER BEFORE YOU PURCHASE A VENT FREE APPLIANCE:

Vent-Free sets are supplemental zone heaters - They are not intended for continuous use or whole house heating.

Glass doors must be wide open when burning for proper ventilation, proper combustion and cooling of safety controls. With adequate combustion and ventilation air, the damper may be closed for vent-free use. The damper may be opened slightly for reduced venting.
Check local codes and ordinances for permitted uses.

  • In Most Cases, Vent Free Appliances Are NOT Approved For Bedrooms Or Bathrooms. 
  • Select States And/Or Counties Within States May Not Allow Installation Of Vent Free Products. 
    • This includes but is not limited to: California, Minnesota, Wisconsin. 
    • Other states may have local restrictions such as Arizona, Nevada, Idaho, Alaska, Wyoming, New Mexico, North Dakota and South Dakota. Please check local codes before purchasing a Vent Free Appliance. 
  • Vent free Products Are Not Suitable For People With Allergies Or Breathing Problems

Technical Specifications:

Product Dimension

  • Front Width (Actual): 33-3/8"
  • Front Width (Framing): 33-1/2"
  • Back Width (Actual): 22-5/8"
  • Back Width (Framing): 33-1/2"
  • Height (Actual): 23-7/8"
  • Height (Framing): 24-1/2"
  • Depth (Actual): 18-1/4"
  • Depth (Framing): 16"
  • Viewing Area: 31" x 19"
  • BTU/hr Input: 28,000 (NG) / 27,000 (LP)

Safety Features

  • Oxygen Depletion Sensor (ODS):
    • A safety pilot light automatically shuts off the gas heater if oxygen levels drop below safe levels.
    • Relighting requires adequate fresh air.
  • Cold Climate Protection (IPI Models Only):
    • Designed for operation in cold climates.
    • Insulate gaps and the base of the appliance for optimal performance.
    • The intermittent pilot ignition (IPI) control ensures reliable operation, even in extreme cold, combining environmental responsibility with efficiency.

Ignition Controls

  • Piezo Ignitor:
    • Enables pilot ignition without matches or batteries.
  • Millivolt and EcoLogic® 2.0 Controls:
    • OFF: Shuts off all gas flow.
    • IGN: Lights and maintains a standing pilot.
    • ON: Activates ON/OFF functionality via remote or thermostat.
    • LOW/HI: Adjusts flame height and heat output for realistic glow and yellow flame.

Operation

  • Vent-free design eliminates the need for outside venting.
  • High-efficiency performance with clean-burning technology.

Gas Pressures

  • Natural Gas:
    • Regulator Pressure: 3.5" w.c.
    • Pilot Regulator: 3.5" w.c.
    • Max Inlet Pressure: 10.5" w.c.
    • Min Inlet Pressure: 5.0" w.c.
  • LP Gas:
    • Regulator Pressure: 10.0" w.c.
    • Max Inlet Pressure: 13.0" w.c.
    • Min Inlet Pressure: 11.0" w.c.
  • Note: For LP models, an external regulator is required to reduce supply pressure to 13" w.c.

Key Features

  • Thermal Generator (Millivolt Models):
    • Powers remote activation without batteries or electricity.
  • Adjustable Heat Output:
    • Both front and rear burners provide customizable heat and flame intensity.
  • Dual Fuel Options:
    • Available in Natural Gas (NG) and LP (Propane).

Gas Specifications and Orifice Sizes

  • Millivolt Models (Natural Gas):
    • VF133LNV / VF133CNV: 28,000 BTU/h (Max), 19,000 BTU/h (Min), Orifice #38
  • Millivolt Models (LP):
    • VF133LPV / VF133CPV: 27,000 BTU/h (Max), 22,000 BTU/h (Min), Orifice #52
  • IPI Models (Natural Gas):
    • VF133LNI / VF133CNI: 28,000 BTU/h (Max), 19,000 BTU/h (Min), Orifice #38
  • IPI Models (LP):
    • VF133LPI / VF133CPI: 27,000 BTU/h (Max), 22,000 BTU/h (Min), Orifice #52

Control Panel Components

  • Surround
  • On/Off Switch
  • Piezo Ignitor
  • Control Knobs
  • Blower

Manufacturer's Warranty

NAPOLEON products are manufactured under the strict Standard of the world recognized ISO 9001 : 2008 Quality Assurance Certificate. NAPOLEON products are designed with superior components and materials assembled by trained craftsmen who take great pride in their work. The burner and valve assembly are leak and test-fired at a quality test station. The complete appliance is again thoroughly inspected by a qualifi ed technician before packaging to ensure that you, the customer, receives the quality product that you expect from NAPOLEON. The following materials and workmanship in your new NAPOLEON gas appliance are warranted against defects for as long as you own the appliance. This covers: combustion chamber, heat exchanger, stainless steel burner, phazer™ logs and embers, rocks, ceramic glass (thermal breakage only), gold plated parts against tarnishing, porcelainized enameled components and aluminum extrusion trims.* Electrical (110V and millivolt) components and wearable parts are covered and NAPOLEON will provide replacement parts free of charge during the fi rst year of the limited warranty. This covers: blowers, gas valves, thermal switch, switches, wiring, remote controls, ignitor, gasketing, and pilot assembly.* Labour related to warranty repair is covered free of charge during the fi rst year. Repair work, however, requires the prior approval of an authorized company offi cial. Labour costs to the account of NAPOLEON are based on a predetermined rate schedule and any repair work must be done through an authorized NAPOLEON dealer. * Construction of models vary. Warranty applies only to components included with your specifi c appliance. NAPOLEON GAS APPLIANCE PRESIDENT’S LIFETIME LIMITED WARRANTY

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