OEM Payne High Pressure Switch HK02ZA395 for Model PA2PEB036000AA
This OEM high pressure switch (part number HK02ZA395) is the factory-specified replacement for the Payne PA2PEB036000AA split-system condenser. The pressure switch is a critical safety device that monitors refrigerant or inducer pressure to confirm safe operating conditions before allowing the system to proceed through its sequence of operation. When this switch fails or sticks open, the system will typically lock out before ignition, display a pressure switch fault code, or fail to advance past the inducer prove stage — leaving you with no heating or cooling.
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Specs: High pressure switch | OEM part number HK02ZA395 | Factory-calibrated W.C. (water column) setpoint | Direct plug-in connector | Designed for Payne PA2PEB036000AA platform
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OEM vs Generic: This is a genuine OEM factory part. Generic pressure switches often carry imprecise trip points that can cause nuisance lockouts, failed safety checks, or worse — allow operation outside safe pressure thresholds. OEM is always the recommended choice for safety-critical components.
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Install Difficulty: 2/5 — Shut off all power to the unit before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, and a manometer if verifying trip point post-install. Photograph all wiring harness connections before disconnecting. The switch typically mounts with one or two screws and uses a push-on or plug-in connector.
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Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before cutoff ship same business day from our climate-controlled warehouse.
Compatibility: Engineered specifically for the Payne PA2PEB036000AA unit. Always verify the OEM part number on your existing switch's label before ordering, as pressure switch trip points vary by model configuration. Our parts specialists are available to confirm fitment — reach out before you order if you have any questions. In stock and ready to ship today.