OEM Carrier Hot Surface Igniter Replacement for PY3GNAA24040NA

The hot surface igniter is the component that glows red-hot to light the gas burners every time your Carrier PY3GNAA24040NA furnace cycles on. It endures extreme thermal stress and is the single most commonly replaced furnace part. When it fails, you'll hear the inducer spin up and the gas valve click, but the burners never ignite — leaving you with no heat, a furnace that locks out after three or four failed tries, or flash codes indicating ignition failure. A cracked, blistered, or snapped element is a definitive sign of failure. Carrier OEM igniters are typically silicon nitride rather than the older, more brittle silicon carbide design — silicon nitride resists thermal-cycle cracking and lasts considerably longer. Cold resistance generally falls in the 40–90 ohm range; check with a multimeter, and an open (infinite) reading means the element is dead. The igniter operates on 120 VAC. An igniter with the wrong resistance won't reach proper glow temperature, causing delayed ignition, rollout, or no light at all. Generic silicon carbide replacements are more fragile, crack from handling and repeated heating, and often won't match the exact mounting bracket or connector. OEM guarantees correct resistance, glow timing, and fitment. Install difficulty: 2/5. Tools needed: 1/4" nut driver and a multimeter. #1 safety warning: turn OFF the gas supply and kill power at the breaker before servicing. Never touch the igniter element with bare fingers — skin oils create hot spots that cause premature failure; handle it only by the ceramic base. Ships same business day from our stocked warehouse on orders before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.

Compatibility

This part is compatible with Carrier model PY3GNAA24040NA. Always verify the part number against your unit's data plate before ordering.

Why Choose OEM?

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.

Shipping & Returns

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.