OEM Carrier High Pressure Switch 406/300 PSI — HK02ZA395 for Model PY2PNB024060NC

This OEM high pressure switch (part number HK02ZA395) is the factory-authorized refrigerant-side safety device for the Carrier PY2PNB024060NC packaged unit. It continuously monitors refrigerant circuit pressure on the high side and cuts power to the compressor when pressure exceeds a safe threshold, protecting the compressor from catastrophic failure. A failed or out-of-spec switch typically causes one of two symptoms: nuisance high-pressure lockouts on hot days (switch opens prematurely) or, if the switch fails open, a compressor that runs without safety protection. Replacing with the exact OEM switch restores factory-calibrated protection.

• Specs: Opens at 395 PSI | Closes at 295 PSI | 406/300 rating | 6(6)A | 240 VAC | PMAX 41B | Sensata-manufactured | Carrier Factory Authorized Part
• OEM vs Generic: This is a genuine Carrier OEM part — factory-set trip points guarantee your compressor cuts out at the correct pressure. Aftermarket switches with loose tolerances can allow over-pressure conditions that void compressor warranties.
• Install difficulty: 2/5 — Requires recovering refrigerant per EPA 608 regulations before removing the switch. Tools needed: refrigerant recovery machine, manifold gauge set, adjustable wrench, leak detector. Always verify system pressure is at zero before disconnecting. Recommend licensed HVAC technician.
• Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse.

Compatibility: Engineered for the Carrier PY2PNB024060NC packaged unit. Also supersedes legacy part numbers 312926-217, 71267D1, HK02ZA380, HK02ZA396, 19240027, HK02ZA400, 312926-225, 312926-226, 312926-233, HK02ZA401, HK02ZA435, HK02ZA500, and HK02ZA501. Verify PSI ratings and voltage on your unit's data plate before ordering. Our team is available to confirm fitment — order now and ship today.