300,000 - 400,000 BTU Natural Gas Unit Heaters

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
$5,240.00
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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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Modine - BDP300AE0930 - 300,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Blower Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48129
Model#: BDP300AE0930
Brand: Modine
$5,888.00
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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.
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Factory-Direct
Modine - BDP300SE0930 - 300,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Blower Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48130
Model#: BDP300SE0930
Brand: Modine
$6,456.00
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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.
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Modine - BDP350AE0930 - 350,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Blower Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48133
Model#: BDP350AE0930
Brand: Modine
$6,528.00
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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.
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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.
Factory-Direct
Modine - BDP350SE0930 - 350,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Blower Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48134
Model#: BDP350SE0930
Brand: Modine
$7,114.00
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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.
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Factory-Direct
Modine - BDP400AE0930 - 400,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Blower Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48137
Model#: BDP400AE0930
Brand: Modine
$7,152.00
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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.
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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.
Factory-Direct
Modine - BDP400SE0930 - 400,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Blower Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48138
Model#: BDP400SE0930
Brand: Modine
$7,923.00
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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.
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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.
Factory-Direct
Modine - PTC310AS0111 - 310,000 BTU - Effinity93 High Efficiency Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 93% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 48226
Model#: PTC310AS0111
Brand: Modine
$5,921.00
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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.
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Factory-Direct
Modine - PDP350SE0130 - 350,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48548
Model#: PDP350SE0130
Brand: Modine
Sale: $3,375.00
On Sale Through 12/18
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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.
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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.
In-Stock
Modine - PTP350SS0111 - 350,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 48587
Model#: PTP350SS0111
Brand: Modine
$3,238.00
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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.
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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.
Factory-Direct
Reznor UDX-350 Gas Fired Unit Heater Power Vented NG Aluminized Heat Exchanger - 350,000 BTU 115V 4,483 CFM
Item#: 116172
Model#: UDX-350
Brand: Reznor
$3,055.20
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Only 1 In-Stock
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
$4,465.00
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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.
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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.
Factory-Direct
Modine - PTX300SS0111 300,000 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#: 150888
Model#: PTX300SS0111
Brand: Modine
Sale: $3,439.00
On Sale Through 12/18
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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.
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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.
In-Stock
Modine - PTX350AS0111 350,000 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#: 150890
Model#: PTX350AS0111
Brand: Modine
$2,950.00
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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.
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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.
Factory-Direct
Modine - PTX350SS0111 350,000 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#: 150892
Model#: PTX350SS0111
Brand: Modine
$4,232.00
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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.
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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.
Factory-Direct
Modine - BTX300AS0111 - 300,000 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#: 152228
Model#: BTX300AS0211
Brand: Modine
$4,703.00
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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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*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 - BTX300AS0111 - 300,000 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#: 152229
Model#: BTX300SS0211
Brand: Modine
$6,230.00
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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.
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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.
Factory-Direct
Modine - BTX350AS0111 - 350,000 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#: 152232
Model#: BTX350AS0211
Brand: Modine
$5,225.00
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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.
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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.
Factory-Direct
Modine - BTX350AS0111 - 350,000 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#: 152233
Model#: BTX350SS0211
Brand: Modine
$6,871.00
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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.
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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.
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
$5,688.00
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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.
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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.
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
$7,500.00
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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.
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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.
Factory-Direct
Reznor - UBXC-300 - 300,000 BTU - Gas Fired Unit Heater - Power Vented - Natural Gas - Aluminized Heat Exchanger - 5,123 CFM - 115V
Item#: 157517
Model#: UBXC-300
Brand: Reznor
$5,284.00
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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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*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 - UBXC-350 - 350,000 BTU - Gas Fired Unit Heater - Power Vented - Natural Gas - Aluminized Heat Exchanger - 5,977 CFM - 115V
Item#: 157518
Model#: UBXC-350
Brand: Reznor
$6,099.00
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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.
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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.
Factory-Direct