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OEM Carrier High Pressure Switch 395/295 PSI for PY1PJB048115ABAA
Carrier

OEM Carrier High Pressure Switch 395/295 PSI for PY1PJB048115ABAA

SKU: CARRIE-PY1PJB048115ABAA-PRESSURE_SWITCH-HK02ZA395 Brand: Carrier
✓ Guaranteed to fit PY1PJB048115ABAA — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier High Pressure Switch HK02ZA395 — 395/295 PSI for Model PY1PJB048115ABAA

This is the genuine OEM factory-replacement high pressure switch for the Carrier PY1PJB048115ABAA packaged heat pump unit. The high pressure switch is a critical refrigerant-circuit safety device: it continuously monitors discharge-side refrigerant pressure and trips the compressor off when system pressure reaches an unsafe level, protecting the compressor from catastrophic failure. When this switch fails or drifts out of spec, you'll typically see nuisance high-pressure lockouts, compressor short-cycling, or a unit that trips off on a warm day even with proper refrigerant charge. A faulty switch can also mask real overpressure conditions, putting the compressor at risk.

  • Specs: Opens at 395 PSI | Closes at 295 PSI | Rated 6(6)A at 240 VAC | PMAX 41 Bar | Sensata PS80-03-0018 platform | 1/8" NPT refrigerant port connection
  • OEM vs Generic: This is a genuine Carrier factory-authorized part (Sensata-manufactured). OEM switches are calibrated to exact trip-point tolerances critical for compressor protection. Generic alternatives often carry wider tolerances that can allow real overpressure events to go undetected.
  • Install Difficulty: 2/5 — Recover refrigerant before replacing. Tools needed: refrigerant recovery unit, manifold gauge set, adjustable wrench, and leak-detection solution. Always verify system pressure is at zero before removing the old switch. Recharge to manufacturer spec after installation.
  • Warranty & Shipping: 1-year OEM manufacturer warranty against defects. In stock — ships same business day from our warehouse.

Compatibility: Direct OEM replacement for Carrier model PY1PJB048115ABAA. This part also supersedes legacy part numbers 312926-217, 71267D1, HK02ZA380, HK02ZA396, HK02ZA400, HK02ZA401, HK02ZA435, HK02ZA500, and HK02ZA501. Always verify discharge-line port size and PSI trip points on your unit's data plate before ordering. Need help confirming fitment? Our HVAC parts specialists verify compatibility before you buy — contact us today.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $99
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Pressure Switch fit my Carrier PY1PJB048115ABAA?
Yes. This is the factory-specified OEM pressure switch for the Carrier PY1PJB048115ABAA. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the pressure switch on my Carrier PY1PJB048115ABAA?
Difficulty: Medium (20–30 min)
Step 1: Turn off power. Step 2: Locate pressure switch near draft inducer. Step 3: Note tubing orientation. Step 4: Disconnect tubing and wires. Step 5: Remove screw, install new switch. Step 6: Reconnect tubing and wires, restore power.
My furnace shows a pressure switch error. What do I replace?
Furnace LED showing pressure switch error = switch not detecting draft inducer airflow. Try first: clear the rubber tubing to the switch (often clogged with condensation). If problem persists, replace the pressure switch.
Is this pressure switch compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier pressure switch?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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