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The hot surface igniter is the element that glows red-hot to light the gas burners on each call for heat. It's one of the most frequently replaced furnace parts because the brittle element degrades with every on/off cycle. Homeowners notice no heat, the inducer and gas valve cycling but no flame, a furnace that clicks repeatedly then locks out, or a visible crack in the igniter that no longer glows orange. Specs: This OEM igniter matches Carrier's element material and resistance. Carrier furnaces of this vintage typically use a silicon nitride igniter — more durable and impact-resistant than older silicon carbide — with a cold resistance generally in the 40–75 ohm range. Matching resistance ensures it draws the correct current and reaches a 2,000°F+ surface temperature inside the board's timing window. OEM vs Generic: Generic "universal" igniters often substitute silicon carbide for silicon nitride or carry the wrong resistance. Too high a resistance and the element never gets hot enough to light gas reliably; too low and it overheats and cracks. The fragile silicon carbide type is far more prone to cracking from handling and thermal shock, sharply shortening service life. Install: Difficulty 2/5. Tools: 1/4" nut driver and clean gloves — never touch the element with bare fingers, as skin oil creates hot spots that crack it. #1 safety warning: turn off gas and electrical power before servicing, and handle the new igniter only by its ceramic base. Ships same business day from our stocked U.S. warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.
This part is compatible with Carrier model PY1PPB048090NBAA. Always verify the part number against your unit's data plate before ordering.
OEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.
Same-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.