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Stelpro is a leader in home heating products, offering a wide selection from unit heaters to floor heaters. Shop our selection of Stelpro heaters and warm your home today.

Learn More About Modine 57970
Modine
Modine - 57970 - Two Pipe Vent Kit - Condensing Unit Heaters - For Modine PTC55, PTC65, PTC85, PTC110, and PTC135 Unit Heaters
$65.00
Factory-Direct
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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 may apply, see our full shipping policy for more details.
Learn More About Modine 57972
Modine
Modine - 57972 - Two Pipe Vent Kit - Condensing Unit Heaters - For Modine PTC156, PTC180, PTC215, and PTC260 Unit Heaters
$65.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 55403
Modine
Modine - 55403 - Gas Conversion Kit - Natural Gas to Liquid Propane - Single Stage - For 150,000 BTU Non-Condensing Unit Heaters
$69.00
Factory-Direct
Learn More About Modine 55404
Modine
Modine - 55404 - Gas Conversion Kit - Natural Gas to Liquid Propane - Single Stage - For 175,000 BTU Non-Condensing Unit Heaters
$71.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 55406
Modine
Modine - 55406 - Gas Conversion Kit - Natural Gas to Liquid Propane - Single Stage - For 250,000 BTU Non-Condensing Unit Heaters
$69.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 53219
Modine
Modine - 53219 - Gas Conversion Kit - Natural Gas to Liquid Propane - Two Stage - For 100,000 BTU Non-Condensing Unit Heaters
$62.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 53220
Modine
Modine - 53220 - Gas Conversion Kit - Natural Gas to Liquid Propane - Two Stage - For 125,000 BTU Non-Condensing Unit Heaters
$62.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 55417
Modine
Modine - 55417 - Gas Conversion Kit - Natural Gas to Liquid Propane - Two Stage - For 150,000 BTU Non-Condensing Unit Heaters
$63.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 55419
Modine
Modine - 55419 - Gas Conversion Kit - Natural Gas to Liquid Propane - Two Stage - For 200,000 BTU Non-Condensing Unit Heaters
$68.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 55420
Modine
Modine - 55420 - Gas Conversion Kit - Natural Gas to Liquid Propane - Two Stage - For 250,000 BTU Non-Condensing Unit Heaters
$68.00
Factory-Direct
Learn More About Modine 55423
Modine
Modine - 55423 - Gas Conversion Kit - Natural Gas to Liquid Propane - Two Stage - For 400,000 BTU Non-Condensing Unit Heaters
$75.00
Factory-Direct
Learn More About Modine 53296
Modine
Modine - 53296 - Gas Conversion Kit - Liquid Propane to Natural Gas - Single Stage - For 125,000 BTU Non-Condensing Unit Heaters
$65.00
Factory-Direct
Learn More About Modine 55410
Modine
Modine - 55410 - Gas Conversion Kit - Liquid Propane to Natural Gas - Single Stage - For 150,000 BTU Non-Condensing Unit Heaters
$63.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 55411
Modine
Modine - 55411 - Gas Conversion Kit - Liquid Propane to Natural Gas - Single Stage - For 175,000 BTU Non-Condensing Unit Heaters
$68.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 55413
Modine
Modine - 55413 - Gas Conversion Kit - Liquid Propane to Natural Gas - Single Stage - For 250,000 BTU Non-Condensing Unit Heaters
$74.00
Factory-Direct
Learn More About Modine 55415
Modine
Modine - 55415 - Gas Conversion Kit - Liquid Propane to Natural Gas - Single Stage - For 350,000 BTU Non-Condensing Unit Heaters
$88.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 53225
Modine
Modine - 53225 - Gas Conversion Kit - Liquid Propane to Natural Gas - Two Stage - For 100,000 BTU Non-Condensing Unit Heaters
$62.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 53226
Modine
Modine - 53226 - Gas Conversion Kit - Liquid Propane to Natural Gas - Two Stage - For 125,000 BTU Non-Condensing Unit Heaters
$62.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 66897
Modine
Modine - 66897 - Gas Conversion Kit - Natural Gas to Liquid Propane - Single Stage - For 55,000 BTU Condensing Unit Heaters
$69.00
Factory-Direct
Learn More About Modine 66899
Modine
Modine - 66899 - Gas Conversion Kit - Natural Gas to Liquid Propane - Single Stage - For 65,000 BTU Condensing Unit Heaters
$70.00
Factory-Direct
Learn More About Modine 65946
Modine
Modine - 65946 - Gas Conversion Kit - Natural Gas to Liquid Propane - Single Stage - For 85,000 BTU Condensing Unit Heaters
$62.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 65948
Modine
Modine - 65948 - Gas Conversion Kit - Natural Gas to Liquid Propane - Single Stage - For 110,000 BTU Condensing Unit Heaters
$62.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 57901
Modine
Modine - 57901 - Gas Conversion Kit - Natural Gas to Liquid Propane - Single Stage - For 135,000 BTU Condensing Unit Heaters
$75.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.
Learn More About Modine 57903
Modine
Modine - 57903 - Gas Conversion Kit - Natural Gas to Liquid Propane - Single Stage - For 180,000 BTU Condensing Unit Heaters
$68.00
Factory-Direct
Free Shipping
Learn More About Free Freight
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 may apply, see our full shipping policy for more details.