OEM Carrier Silicon Nitride Hot Surface Igniter for PG8MAA066135AAJA

The hot surface igniter lights the gas at the burners every time your Carrier PG8MAA furnace calls for heat. When it fails, the telltale symptom is no heat: the furnace runs its sequence — the inducer spins and you hear the gas valve click — but the burners never light, and the control board locks the unit out after three or four failed attempts. A cracked or worn igniter may instead glow dimly or unevenly, causing delayed ignition with a small 'whoomp' as gas pools before catching. Many homeowners first notice short-cycling on the coldest nights, exactly when a tired igniter finally gives out. This is a silicon nitride hot surface igniter, the modern and far more durable replacement for older silicon carbide elements. Silicon nitride shrugs off the thermal shock and brittle cracking that kill carbide igniters, so it lasts considerably longer. Cold resistance typically reads in the 40–75 ohm range on a multimeter; an open reading (OL) means the element is cracked and the igniter must be replaced. It runs on 120VAC. For igniters, OEM matters because the element geometry and resistance are matched to your control board's ignition warm-up timing. A generic igniter with the wrong resistance won't reach the proper surface temperature in the board's allotted window, so it can't glow hot enough to reliably light gas — leading to repeated nuisance lockouts. Cheap aftermarket carbide elements are also much more fragile and prone to breakage. Install difficulty: 2/5. Tools: 1/4" nut driver and gloves. #1 safety warning: turn off the gas and kill power at the furnace switch before servicing, and never touch the element with bare fingers — skin oils create hot spots that crack it. 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.

Compatibility

This part is compatible with Carrier model PG8MAA066135AAJA. 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.