OEM Carrier LP Gas Pressure Switch (HK02LB008 / HK06WC091) for Model PG8MAA060090AEJA

This OEM Carrier LP gas pressure switch is the factory-specified replacement for the Carrier PG8MAA060090AEJA packaged gas furnace. The pressure switch monitors inducer/draft blower operation by proving a negative pressure threshold before allowing the gas valve to open and ignition to proceed. When this switch fails or its diaphragm cracks, the furnace will lock out on the pressure switch fault — typically with no heat, a flashing fault code, and no ignition attempt — even though the inducer motor runs normally.

• Specs: LP (Propane) Gas Pressure Switch | Cut-out setting: 6.5" W.C. | SPST configuration | OEM part numbers: HK02LB008 (primary) / HK06WC091 (secondary) | Manufactured by Honeywell for Carrier Factory Authorized Parts
• OEM vs Generic: This is a genuine Carrier OEM part — not an aftermarket approximation. Factory-matched diaphragm stiffness and cut-out calibration ensure accurate proving every heating cycle. Generic switches often drift out of spec within one season, causing nuisance lockouts or, worse, failure to prove a real inducer fault.
• Install Difficulty: 2/5 — Straightforward swap on the inducer housing. Tools needed: #2 Phillips screwdriver, 1/4" nut driver, needle-nose pliers. Always verify the hose port and tubing are clear of condensate before installing. Power down the unit at the disconnect before beginning. Typical install time: 15–20 minutes.
• Warranty & Shipping: 1-year OEM factory warranty. In stock — ships same business day from our warehouse when ordered by 3 PM local time.

Compatibility: Confirmed fit for Carrier model PG8MAA060090AEJA packaged gas furnace. This switch also cross-references to a wide range of Carrier, Bryant, and Payne PG8MAA, PG8JAA, PG8MEA, 58CTA, 58CVA, and 58STA series units — always verify the W.C. rating and LP vs. natural gas designation on your unit's wiring diagram or data plate before ordering. Need fitment confirmation? Our HVAC parts specialists verify compatibility before you buy.