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The hot surface igniter (HSI) in your Carrier PY1PNB024060AAAA is the component that glows white-hot to light the gas burners at the start of every heating cycle. The control board sends line voltage to the igniter, it heats to roughly 1,800–2,500°F, the gas valve opens, and the flame ignites. Because it heats and cools on every single cycle, it's one of the most failure-prone parts in the furnace. When it cracks or fails you'll get the most obvious symptom of all — no heat: the inducer runs, you hear the gas valve click, but the burners never light, and the board locks out after three failed ignition attempts. A failing igniter may also glow dimly or unevenly. This OEM igniter is the correct silicon nitride element for this furnace — far more durable and impact-resistant than older silicon carbide "M-series" igniters, with a typical cold resistance of roughly 11–18 ohms and the exact mounting bracket and gas-orifice spacing Carrier specifies. OEM matters because resistance and positioning are critical. A generic igniter with the wrong resistance won't reach the temperature needed to reliably light gas — causing delayed ignition, mini-explosions (rollout), or repeat no-heat lockouts — and brittle low-grade ceramic cracks within a season. Install difficulty: 2/5. Tools needed: 1/4" and 5/16" nut drivers, and a multimeter to check resistance. Handle the new igniter by its ceramic base only — skin oils weaken the element. Safety warning: turn off the furnace gas supply and kill power at the disconnect before servicing. Ships same business day from our stocked 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 PY1PNB024060AAAA. 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.