OEM Carrier Single-Pole Definite Purpose Contactor for PY4GNAB36090NA

The contactor is the high-voltage relay that switches 240V line power to the compressor and condenser fan motor whenever the thermostat calls for cooling. As its contacts wear you'll see an outdoor unit that hums or chatters but won't start, a buzzing relay, a system that won't shut off because the contacts have welded closed, or visibly pitted and burned contact faces. Ants, dirt, and debris lodged under the plunger are common culprits behind erratic operation. This is a single-pole definite purpose contactor with a 24 VAC control coil and silver-alloy contacts sized for the unit's compressor full-load and locked-rotor amps. Before installing, confirm pole count, coil voltage (24V), and the contact amp rating against the original part. Contact material and sizing matter more than they look. Generic contactors often use undersized or low-silver contacts that pit and weld faster under the heavy inrush current of every compressor start, leading to chatter, voltage drop, and eventually a contactor stuck closed that runs the compressor non-stop. OEM contacts are rated for the locked-rotor inrush of your specific unit, so they hold up cycle after cycle. Install difficulty: 2/5. Tools: 1/4" nut driver, needle-nose pliers, and a multimeter; photograph or label the wiring before you remove anything. #1 safety warning: shut off power at the outdoor disconnect AND the breaker — the line side of a contactor stays energized even when the thermostat is off. 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 PY4GNAB36090NA. 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.