OEM Carrier High Pressure Switch 406/300 PSI (HK02ZA395) for Model PY2PEB060115NB

This genuine OEM high pressure switch is the factory-specified replacement for the Carrier PY2PEB060115NB packaged unit. The high pressure switch is a critical refrigerant-circuit safety device: it continuously monitors system discharge pressure and opens the control circuit if pressure exceeds the cutout threshold, preventing compressor damage, refrigerant line failure, and catastrophic system faults. When this switch fails or becomes erratic, you'll typically see nuisance high-pressure lockouts, compressor short-cycling, or a system that trips immediately on startup even with normal operating pressures.

• Specs: Opens (cutout) at 406 PSI | Resets (closes) at 300 PSI | 1/8″ NPT male thread connection | 240 VAC rated | SPST normally-closed | Sensata PS80-03-0018 / HK02ZA395A platform
• OEM vs Generic: This is a genuine Carrier OEM part — factory-matched cutout and reset pressures within tight tolerances. Aftermarket switches frequently carry ±5–10% pressure variance, which can allow unsafe pressures or cause nuisance trips on a healthy system.
• Install difficulty: 2/5 — Recover refrigerant before removing the switch (EPA Section 608 required). Tools needed: refrigerant recovery machine, manifold gauge set, adjustable wrench, PTFE thread tape. Always leak-check the port after reinstallation.
• Warranty & Shipping: Backed by a 1-year OEM manufacturer warranty. In stock — ships same business day from our warehouse.

Compatibility: Designed for the Carrier PY2PEB060115NB packaged unit. Also replaces legacy part numbers 312926-217, 71267D1, HK02ZA380, HK02ZA396, HK02ZA400, and HK02ZA401. Always verify the cutout/reset PSI rating on your existing switch's data label before ordering. Need fitment help? Our HVAC parts specialists confirm compatibility before you buy — reach out today.