OEM Carrier High Pressure Switch HK02ZA395 — 395/295 PSI for Model PY2PNB060130AA
This is the factory OEM high pressure safety switch for the Carrier PY2PNB060130AA packaged unit. The high pressure switch is a critical refrigerant-circuit safety device: it continuously monitors discharge-side refrigerant pressure and opens the circuit to shut down the compressor whenever system pressure exceeds the rated cutout threshold. When this switch fails — either staying open when it shouldn't or failing to open under genuine fault conditions — you'll typically experience nuisance compressor lockouts, fault codes indicating high-pressure trips, or a system that runs continuously without protecting the compressor from dangerously elevated pressure. Replacing it with a genuine OEM part is the only way to ensure the correct trip and reset points are maintained.
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Specs: Opens at 395 PSI | Closes (resets) at 295 PSI | 1/8" NPT thread | Sensata PS80-03-0018 platform | 6(6)A @ 240 VAC | PMAX 41B | OEM Part # HK02ZA395
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OEM vs Generic: This is a genuine Carrier OEM switch factory-calibrated to exact trip/reset tolerances. Aftermarket alternatives often carry ±10–15 PSI variance, which can allow unsafe compressor operation or cause premature nuisance lockouts — both costly outcomes in a commercial or residential packaged unit.
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Install difficulty: 3/5 — Refrigerant-side component. EPA 608 certification required to work near refrigerant lines. Tools needed: manifold gauge set to verify pressure relief before removal, adjustable wrench, Teflon tape. Always recover refrigerant per EPA guidelines before replacing if access requires opening the refrigerant circuit. Switch is typically located on the liquid or discharge line service port.
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Warranty: 1-year OEM factory warranty against defects. Ships same business day from our warehouse. Also replaces: 312926-217, 71267D1, HK02ZA380, HK02ZA396, 19240027, HK02ZA400, HK02ZA401, HK02ZA435, HK02ZA500, HK02ZA501.
Compatibility: Factory-specified replacement for the Carrier PY2PNB060130AA packaged unit. Verify your data plate lists HK02ZA395 or any of the superseded cross-reference part numbers before ordering. In stock and ready to ship — order by 3 PM local time for same-day dispatch.