Over 400,000 BTU Natural Gas Unit Heaters

Reznor UDX-400 Gas Fired Unit Heater Power Vented NG Aluminized Heat Exchanger - 400,000 BTU 115V 5,123 CFM
Item#: 145888
Model#: UDX-400-SD
Brand: Reznor
$3,086.00
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*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Only 1 In-Stock
Modine - PDP400SE0130 - 400,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% AFUE - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48552
Model#: PDP400SE0130
Brand: Modine
$4,175.00
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
In-Stock
Modine - PDP400AE0130 - 400,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48551
Model#: PDP400AE0130
Brand: Modine
$3,397.00
Free Shipping
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
In-Stock
Reznor RP-400 Gas Fired Duct Furnace, Power Vented, NG, Aluminized Heat Exchanger - 400,000 BTU, 120V, 80% efficiency, 3275-5895 CFM
Item#: 46921
Model#: RP-400
Brand: Reznor
$6,482.00
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Factory-Direct
Reznor RP-400 Gas Fired Duct Furnace, Power Vented, NG, 409 Stainless Steel Heat Exchanger - 400,000 BTU, 120V, 80% efficiency, 3275-5895 CFM
Item#: 46923
Model#: RP-400-AC2
Brand: Reznor
$8,314.00
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Factory-Direct
Reznor X-400 Gas Fired Duct Furnace, Gravity Vented, NG, Aluminized Heat Exchanger - 400,000 BTU, 120V, single-stage gas valve, 80% efficiency, 3275-5895 CFM
Item#: 47465
Model#: X-400
Brand: Reznor
$5,105.00
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Factory-Direct
Reznor X-400 Gas Fired Duct Furnace, Gravity Vented, NG, 409 Stainless Steel Heat Exchanger - 400,000 BTU, 120V, single-stage gas valve, 80% efficiency, 3275-5895 CFM
Item#: 47467
Model#: X-400-AC2
Brand: Reznor
$6,824.00
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*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Factory-Direct
Modine - BDP400AE0930 - 400,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Blower Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48137
Model#: BDP400AE0930
Brand: Modine
$6,967.00
Free Shipping
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Factory-Direct
Modine - BDP400SE0930 - 400,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% AFUE - Power Vented - Stainless Steel Heat Exchanger - Blower Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48138
Model#: BDP400SE0930
Brand: Modine
$7,727.00
Free Shipping
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Factory-Direct
Modine - PTP400SS0111 - 400,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 80% AFUE - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 48589
Model#: PTP400SS0111
Brand: Modine
$3,614.00
Free Shipping
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
In-Stock
Reznor UDX-400 Gas Fired Unit Heater Power Vented NG Aluminized Heat Exchanger - 400,000 BTU 115V 5,123 CFM
Item#: 116173
Model#: UDX-400
Brand: Reznor
$3,457.00
Free Shipping
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
In-Stock
Reznor UDZ-400 Gas Fired Unit Heater Separated Combustion NG Aluminized Heat Exchanger Vertical Roof Vent - 400,000 BTU 115V 5,123 CFM
Item#: 117533
Brand: Reznor
$5,271.00
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Factory-Direct
Reznor UDZ-400 Gas Fired Unit Heater Separated Combustion NG Aluminized Heat Exchanger Thru Wall Horizontal Vent - 400,000 BTU 115V 5,123 CFM
Item#: 117547
Brand: Reznor
$5,204.00
Free Shipping
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Factory-Direct
Modine - PTX400SS0111 400,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 82-83% Thermal Efficiency - Separated Combustion - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 150698
Model#: PTX400SS0111
Brand: Modine
$4,513.00
Free Shipping
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
In-Stock
Modine - PTX400AS0111 400,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 82-83% Thermal Efficiency - Separated Combustion - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 150894
Model#: PTX400AS0111
Brand: Modine
$3,198.00
Free Shipping
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Factory-Direct
Modine - BTX400AS0111 - 400,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 82% Thermal Efficiency - Separated Combustion - Aluminized Steel Heat Exchanger - Blower Driven - 115-230V/60Hz/1 Phase
Item#: 152236
Model#: BTX400AS0211
Brand: Modine
$5,886.00
Free Shipping
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Factory-Direct
Modine - BTX400AS0111 - 400,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 82% Thermal Efficiency - Separated Combustion - Stainless Steel Heat Exchanger - Blower Driven - 115-230V/60Hz/1 Phase
Item#: 152237
Model#: BTX400SS0211
Brand: Modine
$7,659.00
Free Shipping
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Factory-Direct
Modine - PTP400AS0111 - 400,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 82% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 152244
Model#: PTP400AS0111
Brand: Modine
$2,964.00
Free Shipping
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Free Shipping
*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 map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
In-Stock