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Standard delivery 2-5 business days. Express options at checkout.
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Protect your Payne system with this OEM pressure switch, designed for the Payne PA12NA04800GACAA package air conditioner. The pressure switch is a critical safety control that monitors refrigerant pressure and shuts the system down if it climbs too high or drops too low, preventing compressor damage. A faulty switch causes nuisance lockouts, short cycling, or a unit that won't start despite a cooling call. This genuine OEM replacement is calibrated to factory cut-in and cut-out pressure set points, so your system's protection works exactly as designed. Installation is easy and ideal for a confident DIYer: disconnect power, relieve any system access concerns, unplug the two-wire connector, unthread or unclip the switch, and reverse the steps. Most replacements finish in 20 to 30 minutes. Using an OEM-spec switch avoids the misreads and false trips common with generic parts and keeps your warranty intact. In stock and ready to ship same-day for orders placed before 3PM CST. Shop genuine Payne parts at NationalHVACParts.com.
This part is compatible with Payne model PA12NA04800GACAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.