OEM Carrier Hot Surface Igniter for PY3GNA048115NA Gas Furnace

The hot surface igniter is the component your PY3GNA048115NA furnace relies on to light the burners on every heat call. When the thermostat asks for heat, this igniter draws current and glows white-hot, igniting the gas as it flows across the burners. When it fails, the most common symptom is no heat at all: the inducer motor runs, you may hear the gas valve click, but the burners never light and the furnace locks out after three or four ignition attempts. Homeowners often report cold air from the vents, short-cycling, or a furnace that "tries" repeatedly then quits. A cracked or worn igniter is the single most frequent cause of no-heat service calls. This is a silicon carbide hot surface igniter built to Carrier's OEM resistance specification (typically 40–75 ohms cold). Correct resistance is critical: it determines how hot the element glows and how reliably it ignites gas across thousands of cycles. Silicon carbide elements are brittle by nature, so this part is engineered to the exact gas-valve timing of your control sequence. Why OEM matters here: generic igniters often use thinner silicon carbide or off-spec resistance. An igniter that runs too cool won't reach ignition temperature in time and trips a flame-fault lockout; one that runs too hot burns out prematurely. OEM tolerances keep ignition timing matched to your board's gas-valve delay. Install difficulty: 2 of 5. Tools: 1/4" nut driver and a multimeter to verify resistance. SAFETY: turn off the gas supply and kill power at the breaker before servicing. Never touch the silicon carbide element with bare fingers — skin oils create hot spots that cause early failure; handle by the ceramic base only. 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 PY3GNA048115NA. 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.