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Stoll Slim Design Fireplace Grate Heater

Slim Design Fireplace Grate Heater GH2422

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The Slim Design GH2422 grate heater for wood-burning fireplaces is manufactured from robust 11 gauge steel to guarantee a long-lasting heating accessory for your home! Boost the efficiency of your fireplace, thanks to a variable speed blower capable of producing up to 40,000 BTUs. Cool air in the room is drawn in and circulated through the firebox where it is heated and returned to your living space. The thermostat turns the unit at when fireplace temps reach 110°F, and off when it drops below 90° F. The fan box can be set up on the left or the right, per your specifications. A slim 1 3/8 inch front rail can be retrofitted to your existing fireplace door. Start improving the comfort in your home and lowering those energy costs this season with this grate heater!

Click here for helpful information on grate heaters, including installation & care!

24" Slim Design Fireplace Grate Heater Specifications Product Specifications:

  • Material: 11 Gauge Steel
  • Unit Depth: 23.5 Inches
  • Unit Width: 24 Inches
  • Unit Height: 9.5 Inches
  • Front Rail Height: 1 3/8 Inches
  • Fire Bed: 24" Wide x 13" Deep
  • Unit Weight: 50 Pounds
  • Standard Black Cover: Adjustable Width To 48 Inches
  • Minimum Opening Width: 28 Inches
  • Minimum Opening Height: 24 Inches
  • BTUs Per Hour: 40,000
  • CFMs: 90/125
  • Fuel Compatibility: Wood
  • Blower Speed: Variable
  • Thermostat: On/Off Fan Control
  • Fan Box Mounting: Left | Right
  • Electric Cord: 6 Feet

24" Slim Design Fireplace Grate Heater Features and Benefits Product Features and Benefits:

  • Designed for use with wood-burning fireplaces
  • Grate heater ships for free; please allow 4 weeks for production and transit of this made to order item
  • 5-year limited warranty on construction; 1-year warranty on electrical components
  • Fit fireplaces larger than 28 inches wide and 24 inches high and comes with a front rail
  • Measures 24 inches wide and 23.5 inches deep
  • Delivers 40,000 BTUs per hour
  • The variable motor produces 90 to 125 CFMs per hour
  • Comes with on/off thermostat control
  • Motor location can be on the left or right side of the unit
  • The electrical cord is 6 feet in length

24" Slim Design Fireplace Grate Heater Owners Manual Product Manual: Slim Design GH2422 Fireplace Grate Heater


  • Enjoy free shipping on this order.
  • This is a MADE TO ORDER item; please allow 4 weeks for production and transit time
  • In order to offer the best shipping method for our customers, this product is able to ship via transit carrier, such as UPS or FedEx.

Manufacturer's Warranty

Our pre-cast concrete bowls are warrantied against manufacturer defects or structural damage for 1 year from the date of delivery. This does NOT include:

  • Using a concrete bowl with a fire. Although the components we have paired with this product have been proven safe to use, these bowls are designed as planters and/or spillway bowls per the manufacturer and are warrantied as such.
  • Failure to use lava rock or fire glass in accordance with our recommendations.
  • Small stress cracks and surface scratches, as these occur naturally in concrete.
  • Damage from fire use, misuse, neglect, vandalism, acts of nature, or subfreezing temperatures.

Negligence to adhere to fire safety requirements and/or misuse of this product will automatically void the warranty.

Warranty Information for additional products that may be added:

  • Burner Kits: 1 year limited manufacturer's warranty
  • Electronic Ignition System: 1 year / 2 year limited manufacturer's warranty
  • Lava Rock & Fire Glass: 90 days manufacturer's warranty

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Last updated on November 5th 2020.


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