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Sealed Combustion Gas Unit Heaters

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Modine - HDS125AS0121 - 125,000 BTU - Hot Dawg HDS Gas Fired Unit Heater - Single-Stage Liquid Propane Burner* - 80% AFUE - Separated Combustion - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
View All Scratch & Dent Sealed Combustion Gas Unit Heaters
Scratch & Dent
$1,524.00
Was 
$1,599.00
SAVE $75.00
Only 1 In-Stock
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Model UDAS-45 is a Recommended Product
Reznor UDAS-45 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 45,000 BTU, 115V, single-stage gas valve, 629 CFM
17% Buy This
$1,298.95
Only 2 In-Stock
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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Model UDAS-200 is a Recommended Product
Reznor UDAS-200 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 200,000 BTU, 115V, single-stage gas valve, 2562 CFM
12% Buy This
$2,198.95
Factory-Direct
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Reznor UDAS-100 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 105,000 BTU, 115V, single-stage gas valve, 1361 CFM
12% Buy This
$1,678.95
Factory-Direct
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Reznor UDAS-30 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 30,000 BTU, 115V, single-stage gas valve, 456 CFM
10% Buy This
$1,178.95
Only 5 In-Stock
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Reznor UDAS-60 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 60,000 BTU, 115V, single-stage gas valve, 769 CFM
7% Buy This
$1,498.95
Factory-Direct
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Model UDAS-75 is a Recommended Product
Reznor UDAS-75 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 75,000 BTU, 115V, single-stage gas valve, 961 CFM
5% Buy This
$1,548.95
Only 4 In-Stock
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Reznor UDAS-150 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 150,000 BTU, 115V, single-stage gas valve, 1921 CFM
5% Buy This
$2,048.95
Only 5 In-Stock
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Reznor UDAS-125 Gas Fired Unit Heater, Separated Combustion, LP, Aluminized Heat Exchanger - 120,000 BTU, 115V, single-stage gas valve, 1556 CFM
5% Buy This
$1,973.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Modine - HDS100SS0121 - 100,000 BTU - Hot Dawg HDS Gas Fired Unit Heater - Single-Stage Liquid Propane Burner* - 80% AFUE - Separated Combustion - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
5% Buy This
$1,879.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Model UDAS-125 is a Recommended Product
Reznor UDAS-125 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 120,000 BTU, 115V, single-stage gas valve, 1556 CFM
2% Buy This
$1,848.95
Only 4 In-Stock
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Reznor UDAS-400 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 400,000 BTU, 115V, single-stage gas valve, 5123 CFM
2% Buy This
$3,198.00
Only 1 In-Stock
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Reznor UDAS-75 Gas Fired Unit Heater, Separated Combustion, LP, Aluminized Heat Exchanger - 75,000 BTU, 115V, single-stage gas valve, 961 CFM
2% Buy This
$1,713.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Reznor UDAS-45 Gas Fired Unit Heater, Separated Combustion, LP, Aluminized Heat Exchanger - 45,000 BTU, 115V, single-stage gas valve, 629 CFM
2% Buy This
$1,533.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Modine - HDS100AS0121 - 100,000 BTU - Hot Dawg HDS Gas Fired Unit Heater - Single-Stage Liquid Propane Burner* - 80% AFUE - Separated Combustion - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
2% Buy This
$1,590.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Model HDS60SS0111 is a Recommended Product
Modine - HDS60SS0111 - 60,000 BTU - Hot Dawg HDS Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% AFUE - Separated Combustion - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
2% Buy This
$1,420.00
Only 1 In-Stock
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Modine - HDS100SS0111 - 100,000 BTU - Hot Dawg HDS Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 80% AFUE - Separated Combustion - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
2% Buy This
$1,879.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Modine - HDS75SS0121 - 75,000 BTU - Hot Dawg HDS Gas Fired Unit Heater - Single-Stage Liquid Propane Burner* - 80% AFUE - Separated Combustion - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
2% Buy This
$1,600.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Model PTC135AS0121 is a Recommended Product
Modine - PTC135AS0121 - 135,000 BTU - Effinity93 High Efficiency Gas Fired Unit Heater - Single-Stage Liquid Propane Burner - 93% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
2% Buy This
$2,700.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Model UDAS-350-AA2 is a Recommended Product
Reznor UDAS-350 Gas Fired Unit Heater, Separated Combustion, LP, Aluminized Heat Exchanger - 350,000 BTU, 115V, single-stage gas valve, 4483 CFM
$3,867.31
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Reznor UDAS-175 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 175,000 BTU, 115V, single-stage gas valve, 2242 CFM
$2,098.95
Only 3 In-Stock
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Model HDS30AS0121 is a Recommended Product
Modine - HDS30AS0121 - 30,000 BTU - Hot Dawg HDS Gas Fired Unit Heater - Single-Stage Liquid Propane Burner - 80% AFUE - Separated Combustion - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
View All Sealed Combustion Gas Unit Heaters on Sale
On Sale Ends 03/31
$930.00
Was 
$1,030.00
SAVE $100.00
In-Stock
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Reznor UDAS-175 Gas Fired Unit Heater, Separated Combustion, LP, Aluminized Heat Exchanger - 175,000 BTU, 115V, single-stage gas valve, 2242 CFM
$2,615.40
Only 1 In-Stock
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Reznor UDAS-200 Gas Fired Unit Heater, Separated Combustion, LP, Aluminized Heat Exchanger - 200,000 BTU, 115V, single-stage gas valve, 2562 CFM
$2,799.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.

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