OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The contactor is the line-voltage switch that energizes the compressor and outdoor fan motor each time your Carrier PH3ANA024000BBAA heat pump receives a call from the thermostat. When it goes bad, the classic symptom is an outdoor unit that won't kick on — the indoor blower runs, but the condenser stays silent and the home won't heat or cool. Watch also for a loud humming or buzzing at the outdoor cabinet, rapid clicking or chattering as the contacts struggle to pull in, a unit that runs continuously because the contacts welded shut, or a burnt smell and visible pitting on the contact faces. Worn contacts also cause intermittent starting and occasional breaker trips. This definite-purpose contactor is sized for the 2-ton (024) outdoor section, using a 24VAC pull-in coil with a 30–40 FLA contact rating in a one- to two-pole configuration. Genuine Carrier units use silver-cadmium-oxide contacts and a coil matched to the unit's control circuit so the relay seats fully and quietly. Generic contactors commonly use undersized, lower-grade contacts that pit and erode quickly under compressor inrush, producing repeat failures and the hazard of a welded-closed contact that runs the compressor non-stop. An off-spec coil may buzz or only partially engage, arcing the points until they fail. Install difficulty: 2/5. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, a multimeter, and a phone to photograph the wiring before you start. #1 safety warning: open the 240V disconnect AND switch off the indoor breaker before service — the line-side terminals stay energized even with the thermostat off. Ships same business day from our stocked warehouse on orders before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.
This part is compatible with Carrier model PH3ANA024000BBAA. Always verify the part number against your unit's data plate before ordering.
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.
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.