OEM Carrier High & Low Pressure Switch for Model CH13NA03600GACBA

These OEM pressure switches — 312926-252 (High Pressure Switch) and 312926-258 (Low Pressure Switch) — are the factory-specified replacements for the Carrier CH13NA03600GACBA condenser unit. Pressure switches monitor refrigerant circuit pressures and protect the system by shutting it down when pressures fall outside safe operating ranges. A failed pressure switch commonly causes the unit to trip into lockout, refuse to start, or cycle off immediately after startup — even when refrigerant charge and refrigerant pressures are within normal range.

• Specs: 312926-252 — High Pressure Switch, factory-calibrated cutout set point | 312926-258 — Low Pressure Switch, factory-calibrated cutout set point | Direct OEM replacement | Designed for R-410A refrigerant systems
• OEM vs Generic: OEM pressure switches are calibrated to exact factory cutout and reset pressures. Generic alternatives frequently carry wider tolerances, risking nuisance trips or — worse — failing to protect the compressor during a true overpressure or low-charge event.
• Install Difficulty: 3/5 — Refrigerant must be properly recovered before replacing pressure switches on a live system. Tools needed: manifold gauge set, adjustable wrench, multimeter, refrigerant recovery equipment. Always verify system pressure is equalized and power is disconnected before disconnecting switch leads or fittings.
• Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our warehouse.

Compatibility: Engineered specifically for the Carrier CH13NA03600GACBA 3-ton R-410A condenser. Always confirm OEM part numbers 312926-252 or 312926-258 against your unit's wiring diagram or data plate before ordering. Need help confirming fitment? Our HVAC parts specialists verify compatibility before every order — contact us today and we'll get the right part shipped to your door fast.