Empire Heating Systems 5088X B-Vent Floor Furnace 45,000 Btu’s


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Empire Heating Systems 5088X B-Vent Floor Furnace 45,000 Btu’s

Empire 5088X B-Vented Floor Furnaces are crafted for visual appeal and maximum efficiency. Floor Furnaces make ideal replacements for traditional wood-burning or coal-burning heaters. Just like a wood stove, they use room air for combustion. Vent pipes connect the heater to a chimney or flue to carry the by-products of combustion outside.

This is America’s most popular floor furnace and needs no electricity to operate.  With its whole-house heating capability, you will be in total comfort for a fraction of the cost of electric heat.

The Empire Floor Furnace needs no electricity to operate, and starts with a matchless pushbutton piezo ignition.  Units available in three Btu ratings, in LP or Natural Gas:

  • Thermostat not included
  • Total Comfort for a Fraction of the Cost of Electric Heat
  • Does not require electricity; operates in a power outage
  • Matchless Pushbutton Piezo Ignition
  • Whole-House Heating Capability

Does not require electricity; operates in a power outage. Has a standing pilot.

Venting: 4″ B-Vent for the 3588X, 5088X, and 5″ for the 7088X

  • 3588X (32,500 Btu)
  • 5088X (45,000 Btu)
  • 7088X (65,000 Btu)
Available in Natural Gas (NG) or Liquid Propane (LP)
This series is design certified in accordance with American National Standards Institute Z21.86 (latest standard) and by the Canadian Standards Association
as a gravity type Floor Furnace to be installed according to instructions.

Made in USA

Weight116 lbs


Input BTU/HR32,50045,00065,000
Register Length & Width33 3/4″ x 22 3/4″36 3/4″ x 24 3/4″36 3/4″ x 32 3/4″
Casing Length & Width32″ x 20″34″ x 22″34″ x 30″
Overall Length Including Diverter40″43 1/2″45 1/4″
Floor Opening, Length & Width32 5/16″ x 20 5/16″34 5/16″ x 22 5/16″34 5/16″ x 30 5/16″
Minimum Clearance to Combustibles
Top Must Be Open and Clear of ALL OBJECTS and Covering Each Side to:
Nearest Wall6″6″6″
Bottom of Unit for Air6″6″6″
Draft Diverter and Vent Connector6″6″6″
Two Adjoining Sides to Walls to Provide a Walkway18″18″18″
Gas Inlet
Iron pipe Size (N.P.T.)1/2″1/2″1/2″
Inlet to Floor18 1/2″20 1/4″20 1/4″
Floor to Top of Diverter Shield10″12 1/4″12 1/4″
Center of Flue (Horizontal) to Floor Covering17 1/4″18 3/4″18 3/4″
Size of Flue Collar4″ Dia.4″ Dia.5″ Dia.
Empire Heating Systems B-Vent Floor Furnaces framing specs

Empire Heating Systems B-Vent Floor Furnaces framing specs


Empire Heating Systems 3588-1-5088-1-7088-1-XLPXNAT-Install manual


Warranty Terms

Combustion Chamber carries a 10-year warranty. All other parts carry 1-year limited warranty.

Refer to your Owner’s Manual for complete installation, warranty, and safety information.


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