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Furnace Accessories

These accessories include external filter racks, downflow subbases, carbon monoxide detectors, concentric vent kits, furnace mounting blocks and more.
  • Downflow Subbases
    • A downflow subbase keeps a downflow furnace raised off of a combustible floor, which is a requirement for installation.
    SBT-14
  • Equipment Supports
    • Furnace support blocks raise the equipment up to keep it away from water if the equipment is in a basement that is sometimes wet. Also, a different type of support can be used as vibration isolation dampers when installing equipment in an attic.
    Furnace Block - Front
  • Furnace LP Conversion Kits
    • All furnaces and boilers on our site are ready for use with natural gas. If you want to operate the furnace or boiler on Propane (LP), simply use a conversion kit here. 
  • Ignitors
    • Furnace hot surface ignitors are found on most modern furnaces to light the gas flames upon unit start-up. Electricity passes through the ignitor and makes it glow red hot. Operating under normal conditions a hot surface ignitor will last for 3 to 5 years. During that time ignitors will eventually crack and need to be replaced. Like a light bulb, they are a regular replacement item. Most ignitors are interchangeable as long as they fit in the furnace space provided.
    Product Image
  • Venting Accessories for High-Efficiency Furnaces
    • High-efficiency furnaces require PVC exhaust.  These items may make the installation of your new vent system easier.
    Goodman 0170K00000S
  • Condensation Control
    • These products remove the water created or collected by heating and cooling equipment.
    Condensation Control Composite
  • External Filter Racks
    • Every forced air heating and air conditioning system requires a filter of some kind to protect the equipment.  These filter racks connect to the return end of the furnace or air handler, and hold the filter in place.
    Product Image
  • Furnace High Altitude Adapter Kits
    • These are high altitude kits for Goodman gas or LP furnaces.  They are typically required when the installation is above 7,000 feet or more.
    Furnace High Altitude Adapter Kits

In 2002 Alpine Home Air Products became the first company to sell heating, air conditioning and indoor air-quality products online. We have proudly served hundreds of thousands of customers, helping them save time and money by buying their products direct.