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Williams 30,000 BTU Gravity Furnace, Natural Gas, Direct Vent

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Williams

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Model

3003821 *

ID

235432

Was $2,298.72
Your Low Price $1,290.00
 
Product Features
  • 30,000 BTU Heating Power
  • Propane Operation
  • 66% AFUE Efficiency for Energy-Saving Performance
  • Direct-Vent Gravity Furnace
  • Wall-Mounted Installation
  • 10-Year Limited Combustion Chamber Warranty
Customize Williams 30,000 BTU Gravity Furnace, Natural Gas, Direct Vent
Williams 30,000 BTU Gravity Furnace, Propane, Direct Vent
Williams 30,000 BTU Gravity Furnace, Propane, Direct Vent
Williams 30,000 BTU Gravity Furnace, Propane, Direct Vent   + $1,290.00
Blower Accessory 135 CFM for 22038/30038 Series
Williams 4313 Face Panel for 22,000 and 30,000 Direct Vent Furnaces
Williams 9308 Direct Vent - Vent Cap Guard
Gas Conversion Kit 8944 for Propane Gas to Natural Gas for 3003821
Williams 8A145 High Altitude Conversion Kit - For Williams 3003821
Williams 8967 Millivolt Wall Thermostat Kit for all Williams Heaters
Williams 30,000 BTU Gravity Furnace, Natural Gas, Direct Vent

$1,290.00

Direct Vent Gravity Furnaces - Propane

Safe, sealed-combustion wall furnace delivers efficient zone heating while helping maintain clean, comfortable indoor air.

The Williams 30,000 BTU natural gas direct vent gravity furnace is designed to provide dependable zone heating with a compact, space-saving design. Ideal for homes, cabins, garages, and workshops, this gravity furnace features a sealed combustion system that draws combustion air from outdoors while venting exhaust gases outside for clean, efficient operation. Its direct vent design, durable construction, and optional blower compatibility make it a reliable heating solution for a variety of residential applications.

Features

  • 30,000 BTU heating capacity
  • 66% AFUE efficiency for dependable, energy-saving performance
  • Propane direct vent gravity furnace
  • Sealed combustion system for clean indoor air
  • Standing pilot with matchless pilot ignition
  • Optional blower accessory available for enhanced air circulation
  • Long-life ceramic-coated combustion chamber
  • All venting components included for simplified installation
  • Scratch-resistant soft-white finish
  • Automatic temperature and safety controls

Sealed Combustion Design

The sealed combustion chamber draws fresh air from outside the home and vents combustion gases directly outdoors, helping maintain indoor air quality while providing safe, efficient heating.

Compact Zone Heating

This gravity furnace is engineered to heat occupied areas efficiently without requiring a large installation footprint. Its compact wall-mounted design makes it well suited for both new construction and replacement installations.

Durable Construction

A long-life ceramic-coated combustion chamber and scratch-resistant cabinet finish are designed to provide years of dependable performance and lasting durability.

Warranty

The combustion chamber is backed by a 10-year limited warranty, while all other components are covered by a 1-year limited warranty when installed by a qualified professional.

More Information
Williams 30,000 BTU Gravity Furnace, Propane, Direct Vent
FeatureSpec
SKU3003821
Weight (in lbs)100
Brand/ManufacturerWilliams
UPC93909299095
Housing Material / FinishSteel / Powder Paint
Furnace Efficiency / AFUE 66%
Heating BTU30,000
Venting TypeDirect Vent
Operating ModeHeating
Connection1/2"
TypeOptional Blower
Ignition TypeMatchless Pilot Igniter
Fuel TypePropane
CertificationCSA
ColorWhite
Height28"
Width32.125"
Depth10.25"
Indoor / OutdoorIndoor
Warranty10 Year Limited Warranty on Combustion Chamber, 1 Year on All Other Parts
Resources You will need Adobe® Acrobat® Reader to view PDF documents
Safety InformationPROPOSITION 65 WARNING
Blower Accessory 135 CFM for 22038/30038 Series
FeatureSpec
SKU2302
Weight (in lbs)5.5
Brand/ManufacturerWilliams
UPC93909001605
Maximum CFM135 CFM
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Williams 4313 Face Panel for 22,000 and 30,000 Direct Vent Furnaces
FeatureSpec
SKU4313
Weight (in lbs)29
Brand/ManufacturerWilliams
UPC93909001162
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Williams 9308 Direct Vent - Vent Cap Guard
FeatureSpec
SKU9308
Weight (in lbs)15
Brand/ManufacturerWilliams
UPC93909001131
Length12"
Height8"
Width12"
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Williams 4318 Vent Shield Deflector
FeatureSpec
SKU4318
Weight (in lbs)9
Brand/ManufacturerWilliams
UPC93909042202
Height5"
Width5"
Depth2"
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Williams 9306 Replacement Vent Cap
FeatureSpec
SKU9306
Weight (in lbs)8
Brand/ManufacturerWilliams
UPC93909001667
Height12"
Width12"
Depth12"
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Williams 9307 Thin-Wall Collar Kit
FeatureSpec
SKU9307
Weight (in lbs)3.5
Brand/ManufacturerWilliams
UPC93909001698
Height3"
Width9.5"
Depth14.5"
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Williams 9301 Vent Extension 15” for 22038 and 30038 Series
FeatureSpec
SKU9301
Weight (in lbs)8
Brand/ManufacturerWilliams
UPC93909001612
Diameter15 Inches
Height9.5"
Width9.5"
Depth18.5"
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Williams 9303 Vent Extension 24” for 14038 and 30038 Series
FeatureSpec
SKU9303
Weight (in lbs)10
Brand/ManufacturerWilliams
UPC93909001636
Diameter24 Inches
Height9.5"
Width9.5"
Depth26"
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Williams P322016 Millivolt Thermostat
FeatureSpec
SKUP322016
Weight (in lbs)1
Brand/ManufacturerWilliams
UPC93909020590
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Williams 8967 Millivolt Wall Thermostat Kit for all Williams Heaters
FeatureSpec
SKU8967
Weight (in lbs)0.63
Brand/ManufacturerWilliams
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Williams P332491 Wireless Digital Wall Thermostat
FeatureSpec
SKUP332491
Weight (in lbs)1
Brand/ManufacturerWilliams
UPC93909020002
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Williams P332493 Digital Wall Thermostat
FeatureSpec
SKUP332493
Weight (in lbs)1
Brand/ManufacturerWilliams
UPC93909020002
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Gas Conversion Kit 8944 for Propane Gas to Natural Gas for 3003821
FeatureSpec
SKU8944
Weight (in lbs)1
Brand/ManufacturerWilliams
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Williams 8A145 High Altitude Conversion Kit - For Williams 3003821
FeatureSpec
SKU8A146
Weight (in lbs)1
Brand/ManufacturerWilliams
Warranty1-Year Limited Parts Warranty
Safety InformationPROPOSITION 65 WARNING
Write Your Own Review
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Customer Questions
What makes a gravity furnace different from forced-air systems?
Hello, thank you for reaching out. Gravity furnaces rely on natural airflow instead of blowers, eliminating the need for electricity. If you install the blower accessory - the blower requires the need of electricity in order to work. If you have additional questions, please feel free to reach out over the phone to our Customer Service line at 1-888-901-5460. Have a great rest of your day.
Are gravity furnaces reliable during power outages?
Hello, thank you for reaching out. Yes, they operate independently of electricity, making them highly dependable (if the blower accessory is installed - it will not work without electricity). If you have additional questions, please feel free to reach out over the phone to our Customer Service line at 1-888-901-5460. Have a great rest of your day.
Where are gravity furnaces most commonly used?
Hello, thank you for reaching out. The Williams direct vent gravity furnaces are ideal for various applications such as garages, workshops, and cabins. If you have additional questions, please feel free to reach out over the phone to our Customer Service line at 1-888-901-5460. Have a great rest of your day.
Do gravity furnaces provide consistent heat?
Hello, thank you for reaching out. Yes, these units deliver steady warmth through the use of natural convection. If you have additional questions, please feel free to reach out over the phone to our Customer Service line at 1-888-901-5460. Have a great rest of your day.
Are gravity furnaces energy efficient?
Hello, thank you for reaching out. Yes, these direct vent gravity furnaces combine a direct vent, sealed combustion design with natural convection heating. This helps to reduce energy losses while it eliminates the need of electricity to circulate the heat (if the blower accessory is installed - it will require electricity to operate). If you have additional questions, please feel free to reach out over the phone to our Customer Service line at 1-888-901-5460. Have a great rest of your day.
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