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OEM Carrier Pressure Switch 22#CLS 7#OPN 50
Carrier

OEM Carrier Pressure Switch 22#CLS 7#OPN 50" Leads — PH10JA036000AHAA

SKU: CARRIE-PH10JA036000AHAA-PRESSURE_SWITCH-HK02ZB038 Brand: Carrier
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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier Pressure Switch HK02ZB038 for Model PH10JA036000AHAA

This is the genuine OEM Carrier pressure switch (part number HK02ZB038), factory-specified for the Carrier PH10JA036000AHAA packaged heat pump unit. The pressure switch proves that the inducer motor has established proper draft before allowing the ignition sequence to proceed. When this switch fails or sticks open, the control board receives no confirmation of inducer operation and will lock out the system — typically presenting as a no-heat call with the inducer running but no spark or gas valve opening.

  • Specs: Closing pressure: 22" W.C. | Opening pressure: 7" W.C. | Lead length: 50" | SPST normally open | Factory OEM, cross-references PS80-02-F0074
  • OEM vs Generic: This is the genuine Carrier factory part — not an aftermarket substitute. OEM pressure switches are calibrated to exact W.C. specifications. Generic alternatives often drift in setpoint over time, causing nuisance lockouts or, worse, unsafe draft conditions.
  • Install difficulty: 2/5 — Shut off power at the disconnect before beginning. Tools needed: flathead screwdriver, needle-nose pliers, manometer (recommended for verification). Swap the two-wire spade connector leads and reconnect the rubber hose port. Always confirm proper inducer operation after installation.
  • Warranty: 1-year OEM factory warranty against manufacturing defects. In-stock and ships same business day from our warehouse.

Compatibility: Engineered and factory-matched for the Carrier PH10JA036000AHAA packaged heat pump. Always verify your unit's data plate matches the 22# close / 7# open W.C. rating before ordering. Our technical team is available to confirm fitment — just reach out before you buy. Order today and get same-day shipping on this in-stock OEM part.

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 OEM Carrier Pressure Switch 22#CLS 7#OPN 50" Leads — PH10JA036000AHAA?
Yes. This is the factory-specified OEM pressure switch for the Carrier OEM Carrier Pressure Switch 22#CLS 7#OPN 50" Leads — PH10JA036000AHAA. 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 OEM Carrier Pressure Switch 22#CLS 7#OPN 50" Leads — PH10JA036000AHAA?
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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