OEM Carrier High Pressure Switch HK02ZA395 for Model PY1PEB060115AAAA

This OEM high pressure switch (part number HK02ZA395) is the factory-specified refrigerant safety control for the Carrier PY1PEB060115AAAA packaged unit. Mounted in the high-side refrigerant circuit, this switch constantly monitors system discharge pressure and cuts power to the compressor the moment pressure exceeds the safe threshold — protecting your compressor from catastrophic failure due to refrigerant overcharge, condenser airflow restriction, or outdoor coil fouling. When this switch fails or trips without resetting, the system will lock out on a high-pressure fault and deliver no cooling.

• Specs: Opens at 395 PSI | Closes at 295 PSI | 6(6)A at 240 VAC | 1/8" NPT thread connection | PMAX 41B rated | Sensata PS80-03-0018 / P332-1103 platform
• OEM vs Generic: This is a genuine Carrier OEM part manufactured to exact factory pressure setpoints. Aftermarket switches often carry ±10–15 PSI tolerance drift, which can result in nuisance trips or — worse — failure to open at true overpressure, risking compressor damage.
• Install difficulty: 3/5 — Refrigerant circuit work. Requires recovering refrigerant before switch replacement per EPA Section 608. Tools needed: manifold gauge set, refrigerant recovery unit, adjustable wrench, wire terminals. Always verify system pressure is at zero before loosening fittings. Recommended for certified HVAC technicians.
• Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Direct OEM replacement for Carrier PY1PEB060115AAAA packaged units. Also replaces legacy part numbers 312926-217, 71267D1, HK02ZA380, HK02ZA396, HK02ZA400, HK02ZA401, and HK02ZA435 — verify your existing switch's open/close pressure ratings before ordering. Questions? Our HVAC parts specialists confirm fitment before you buy.