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OEM Carrier Pressure Switch 0.18
Carrier

OEM Carrier Pressure Switch 0.18" WC for PY3GPAA60090NA

SKU: CARRIE-PY3GPAA60090NA-PRESSURE_SWITCH-HK06WC061 Brand: Carrier
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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier Draft Inducer Pressure Switch 0.18" WC for Model PY3GPAA60090NA

This OEM Carrier pressure switch (part number HK06WC061, superseded by HK06MB061) is the factory-specified replacement for the Carrier PY3GPAA60090NA packaged unit.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 detects an unsafe venting condition and locks out the furnace — resulting in a no-heat call with no ignition attempt and a fault code pointing to a pressure switch fault.

  • Specs: 0.18" W.C. (water column) set point | SPST (Single-Pole, Single-Throw) | Normally open | Replaces Honeywell IS20224-5236 | Superseded OEM part: HK06MB061
  • OEM vs Generic: OEM pressure switches are calibrated to exact W.C. tolerances at the factory. Off-brand substitutes with loose tolerances can nuisance-trip in cold weather or fail to prove draft under marginal venting conditions — causing repeated lockouts.
  • Install Difficulty: 2/5 — Shut off power and gas before beginning. Tools needed: 1/4" nut driver, needle-nose pliers, and a short length of 3/16" I.D. silicone tubing for the hose connection. Note tubing routing and wire terminal positions before disconnecting. Typical replacement time: 15–20 minutes.
  • Warranty: 1-year OEM manufacturer warranty. In-stock orders ship same business day from our warehouse when placed by 5 PM EST.

Compatibility: Designed for the Carrier PY3GPAA60090NA packaged unit. Also fits select Bryant and Payne models sharing the same 0.18" W.C. SPST pressure switch specification — verify the W.C. rating on your existing switch before ordering. Our fitment team is available to confirm compatibility before you purchase.

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 PY3GPAA60090NA?
Yes. This is the factory-specified OEM pressure switch for the Carrier PY3GPAA60090NA. 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 PY3GPAA60090NA?
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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