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OEM Carrier High Pressure Switch 395/295 PSI for PY2PPB030040NB
Carrier

OEM Carrier High Pressure Switch 395/295 PSI for PY2PPB030040NB

SKU: CARRIE-PY2PPB030040NB-PRESSURE_SWITCH-HK02ZA395 Brand: Carrier
✓ Guaranteed to fit PY2PPB030040NB — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier High Pressure Switch 395/295 PSI — HK02ZA395 for Model PY2PPB030040NB

This OEM high pressure switch (part number HK02ZA395) is the factory-specified refrigerant-side safety control for the Carrier PY2PPB030040NB packaged unit. Manufactured by Sensata (PS80-03-0018 platform) to exact Carrier tolerances, this switch continuously monitors refrigerant discharge pressure and opens the compressor circuit the moment system pressure exceeds the safe threshold — protecting the compressor from catastrophic high-side failure. When this switch fails, you'll typically experience nuisance high-pressure lockouts, a compressor that won't energize, or a system that trips immediately on startup even when refrigerant charge is correct.

  • Specs: Opens at 395 PSI | Closes/resets at 295 PSI | 1/8" NPT male thread fitting | 240 VAC rated | SPST normally-closed | Sensata PS80 series platform | PMAX 41 Bar
  • OEM vs Generic: This is a genuine Carrier Factory Authorized Part, manufactured to exact cut-out and cut-in tolerances. Aftermarket substitutes frequently carry ±10–15% pressure variance, risking compressor failure or false tripping at the wrong threshold.
  • Install difficulty: 2/5 — Recover all refrigerant before removing the old switch (EPA 608 required). Tools needed: refrigerant recovery machine, manifold gauge set, 1/8" NPT wrench, Teflon tape, leak detector. Torque to manufacturer spec — do not overtighten. Recharge and verify cut-out pressure after installation.
  • Warranty & Shipping: 1-year OEM factory warranty against defects. In stock — ships same business day from our warehouse. Supersedes: 312926-217, 71267D1, HK02ZA380, HK02ZA396, HK02ZA400, HK02ZA401.

Compatibility: Designed as a direct OEM replacement for Carrier model PY2PPB030040NB packaged units. Verify the existing switch's cut-out PSI rating on your unit's data plate or wiring diagram before ordering — installing an incorrect pressure rating can damage the compressor. Not sure it fits? Contact our fitment team before you order — we verify compatibility at no charge.

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 PY2PPB030040NB?
Yes. This is the factory-specified OEM pressure switch for the Carrier PY2PPB030040NB. 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 PY2PPB030040NB?
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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Mike Rivera
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