OEM Carrier High Pressure Switch HK02ZA395 — 395/295 PSI for Model PY2PEB060090AA

This is the genuine OEM factory-replacement high pressure switch for the Carrier PY2PEB060090AA packaged unit. The high pressure switch is a critical refrigerant-side safety device that monitors system discharge pressure and cuts power to the compressor when pressure exceeds the rated trip point. When this switch fails or trips on a fault, you'll see symptoms like nuisance compressor shutoffs, system lockout with a high-pressure fault code, or an inability to maintain cooling on hot days. A failed or out-of-spec switch must be replaced — resetting a faulty switch without diagnosis risks compressor and heat exchanger damage.

• Specs: Opens at 395 PSI | Closes at 295 PSI | 6(6)A @ 240 VAC | 1/8" NPT fine-thread port | Quick-connect electrical terminals | Sensata PS80-03-0018 / P332-1103 platform
• OEM vs Generic: This OEM Carrier part (HK02ZA395) is factory-calibrated to exact trip and reset pressures. Aftermarket switches often carry wider pressure tolerances that can allow unsafe operating conditions or cause nuisance trips, leading to compressor wear or voided warranties.
• Install difficulty: 3/5 — Refrigerant-side work. This switch is located on the high-side refrigerant line; the system must be properly recovered or isolated before disconnecting. Tools needed: manifold gauge set, refrigerant recovery equipment, adjustable wrench, multimeter. Licensed HVAC technician recommended for refrigerant handling compliance.
• Warranty: 1-year OEM factory warranty. In stock and ships same business day from our warehouse.

Compatibility: Direct OEM replacement for Carrier model PY2PEB060090AA packaged units. Also supersedes legacy part numbers 312926-217, 71267D1, HK02ZA380, HK02ZA396, HK02ZA400, HK02ZA401, HK02ZA435, HK02ZA500, and HK02ZA501 — always verify against your unit's data plate and wiring diagram before ordering. Questions about fitment? Our HVAC parts specialists verify compatibility before you buy.