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OEM Carrier LP Gas Pressure Switch 6.5
Carrier

OEM Carrier LP Gas Pressure Switch 6.5" WC for PG8JAA036110AFJA

SKU: CARRIE-PG8JAA036110AFJA-PRESSURE_SWITCH-HK02LB008 Brand: Carrier
✓ Guaranteed to fit PG8JAA036110AFJA — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier LP Gas Pressure Switch (HK02LB008) for Model PG8JAA036110AFJA

This is the factory OEM LP gas pressure switch for the Carrier PG8JAA036110AFJA packaged gas unit. The pressure switch monitors gas supply pressure and opens or closes the control circuit when pressure rises above or drops below the factory-set cutout point of 6.5" W.C. (inches water column). When this switch fails, the furnace or packaged unit will typically go into a no-heat lockout condition — the inducer may run but ignition will never be attempted, or the unit shuts down mid-cycle with a pressure fault code.

  • Specs: Cut-out pressure: 6.5" W.C. | Gas type: LP (propane) | Mounting: horizontal or vertical | Fits air, natural gas, and LP gas applications | Replaces OEM part numbers HK02LB008, HK06WC091, and HK06WC100 (bracket version)
  • OEM vs Generic: This is a genuine Carrier OEM switch calibrated to exact factory pressure tolerances. Generic aftermarket switches often carry ±15% pressure tolerances that can cause nuisance lockouts, missed ignition windows, or — worse — unsafe operation under low-gas-pressure conditions.
  • Install difficulty: 2/5 — Shut off gas and power before servicing. Locate the pressure switch on the gas valve or manifold assembly. Disconnect the two wiring leads (photograph before removing), unscrew the mounting fastener, and swap in the new switch. Tools needed: flat-head and Phillips screwdrivers, 1/4" nut driver, and a manometer to verify gas pressure after installation.
  • Warranty & Shipping: 1-year OEM factory warranty. In stock and ships same business day from our warehouse. Note: HK02LB008 may ship as updated replacement HK02MB008 per manufacturer supersession.

Compatibility: Designed for the Carrier PG8JAA036110AFJA packaged gas unit. This switch also cross-references to Carrier/Bryant/Payne models using OEM part numbers HK02LB008, HK06WC091, and HK06WC100 (bracket-mount version). Verify your gas type (LP vs. natural gas) and the pressure rating on your existing switch before ordering — LP and NG switches are not interchangeable. Order with confidence — our team verifies fitment before your part ships.

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 PG8JAA036110AFJA?
Yes. This is the factory-specified OEM pressure switch for the Carrier PG8JAA036110AFJA. 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 PG8JAA036110AFJA?
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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