OEM Carrier Gas Furnace Hot Surface Igniter for PY3GNAA36090NA

The hot surface igniter (HSI) is the part that glows red-hot to light the burners on your Carrier PY3GNAA36090NA furnace. Because the element is heated to over 2,000°F on every call for heat, it is the single most common wear-out part in a modern gas furnace. When it fails you get no heat: the inducer spins up, the gas valve clicks, but nothing ignites, and the furnace locks out with a flashing fault code after a few tries. A hairline crack, a chalky white spot, or an element that no longer lights up are the classic symptoms. Identify whether your unit uses a silicon carbide igniter (the traditional fragile gray element, about 40 to 75 ohms cold, 120V) or a silicon nitride igniter, which is sturdier and resists thermal shock. Test resistance with a multimeter, an open circuit (OL) confirms a failed element. Match the bracket, the wire lead length, and the connector style to the original so the element seats in the correct flame path. Resistance and element quality are everything in an igniter. Generic igniters with out-of-spec resistance fail to glow hot enough, producing delayed ignition, rough "puff" lightoffs, and repeated lockouts that stress the heat exchanger. OEM Carrier igniters carry the correct element grade and bracket geometry so glow temperature and flame position match the factory design. Install difficulty: 2/5. Tools: 1/4" nut driver and a multimeter. SAFETY: shut off the gas and kill the power before you begin. Back out the single screw, unplug the lead, and grip the new igniter only by its ceramic base, finger oils crack the element. 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 PY3GNAA36090NA. 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.