OEM Carrier Air Pressure Switch for Gas Pack PG8DAA060135AAJA

The pressure switch on your Carrier PG8DAA060135AAJA package unit is a safety device that confirms the draft inducer is actually moving air through the heat exchanger before the board allows the igniter and gas valve to fire. It senses the negative pressure the inducer creates and closes a set of contacts. If it doesn't close — because of a weak inducer, a blocked condensate drain, a cracked hose, or a clogged flue — the board refuses to ignite. Homeowners see the inducer spin up and then nothing: no igniter glow, no burners, and after a couple of retries a lockout with a pressure-switch fault code. A switch that's out of calibration can also cause intermittent short-cycling on windy days. This OEM switch is set to the exact trip point (measured in inches of water column) specified for this furnace, with the correct hose-port size and bracket. The trip setpoint is printed on the body and is model-specific — using the wrong one defeats the safety entirely. Why OEM matters: aftermarket switches frequently ship with a setpoint that's 'close enough' but not exact, so they nuisance-trip or, worse, close too easily and let the burners fire on insufficient draft — a flue-gas safety risk. The OEM switch holds its calibration over thousands of cycles. Install difficulty: 2 of 5. Tools: 1/4" nut driver and a multimeter (and a manometer if you want to verify draft). SAFETY: kill power at the breaker first, and inspect and clear the inducer hose and condensate drain — a fouled drain is the most common reason a good switch reads 'open.' Ships same business day from our stocked warehouse on orders before 3 PM CST. 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.

Compatibility

This part is compatible with Carrier model PG8DAA060135AAJA. Always verify the part number against your unit's data plate before ordering.

Why Choose OEM?

OEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.

Shipping & Returns

Same-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.