Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.
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This OEM Payne contactor (HN51KC024) is the line-voltage switch that turns your Payne PA4ANG042000BAAA condensing unit on and off at the thermostat's command. A 24-volt coil pulls the contacts closed to energize the compressor and condenser fan; over thousands of cycles those contacts pit and burn, causing chattering, intermittent cooling, or a unit that won't start at all. Matched to the PA4ANG042000BAAA's coil voltage and amperage, this genuine contactor is a direct replacement that needs no rewiring or modification. Most DIYers and technicians complete the swap in 20-30 minutes: kill power at the disconnect, photograph the existing wiring, move the leads one at a time, and mount the new contactor securely. Genuine Payne construction ensures the correct contact rating and dependable switching for years of service. Replacing a failing contactor restores steady cooling and shields your compressor from harmful voltage drops. Backed by our parts guarantee and HVAC support. In stock and ships same-day on orders before 3PM CST.
This part is compatible with Payne model PA4ANG042000BAAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.