OEM Carrier Furnace Control Board Replacement for PG9MAA036080ACKA

The integrated furnace control board is the brain of your Carrier PG9MAA036080ACKA. It sequences the entire heat cycle — energizing the inducer, proving the pressure switch, firing the igniter, opening the gas valve, monitoring the flame sensor, and timing the blower on and off. When it fails you'll see erratic behavior: no response to a thermostat call, the blower running constantly or not at all, the furnace stuck in lockout, or an LED flashing a fault code that doesn't match any single component. A blown onboard fuse that keeps failing also points to the board. This genuine OEM control board is matched to the PG9MAA platform's relay configuration and ignition sequence — Carrier furnaces of this generation use the HK42FZ-family integrated control. Confirm the exact HK42FZ part number printed on your existing board before ordering, since relay count, timing, and connector layout vary across revisions. Why OEM matters here: the board's timings, flame-current threshold, and relay ratings are tuned to this furnace. A generic or wrong-revision board can mis-sequence the cycle, misread the flame signal, or use under-rated relays that weld their contacts — leaving the gas valve or blower stuck on. Genuine OEM firmware and relays keep the safety sequence intact. Install difficulty: 3/5. Tools: 1/4" nut driver, phillips screwdriver, and your phone to photograph every connector before unplugging. #1 SAFETY WARNING: kill the breaker to the furnace before touching the board — line voltage is present at the board's relays. Transfer wiring one connector at a time to avoid swaps. 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 PG9MAA036080ACKA. 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.