OEM Carrier Gas Valve for PG9MAB060100ACSA Two-Stage Furnace

The gas valve meters and shuts off the fuel supply to the burners, opening only when the control board sends a 24V call after the igniter is hot and the pressure switch has proven draft. It also holds the manifold pressure steady so the flame burns clean and at the right rate. When it fails, the igniter glows but no flame appears, or the flame is weak, oversized, or arrives late with a soft "poof." On the PG9MAB060100ACSA the homeowner usually gets no heat, a clicking valve that won't seat, or a furnace that locks out after several failed light attempts. This is a two-stage redundant gas valve with 24VAC coils, an internal regulator, and a manual shutoff. Natural-gas manifold pressure typically targets about 3.5 in. w.c. on low fire, staging higher on high fire, and the valve is LP-convertible with the correct kit. Inlet/outlet orientation, staging, and NG-vs-LP rating must match your unit exactly. OEM matters because the regulator spring and staging are calibrated to this furnace. A generic valve set to the wrong manifold pressure causes sooting, delayed ignition, or overfiring that can crack the heat exchanger — and the redundant internal safety shutoff is not something to compromise. Install difficulty: 3 of 5. Tools: pipe wrench, manometer to set manifold pressure, gas-rated thread sealant, a leak detector or soapy water, and a nut driver. #1 safety warning: shut off the gas at the manual shutoff and kill power before removing the valve, and leak-test every joint before relighting. 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 PG9MAB060100ACSA. 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.