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This OEM Carrier pressure switch is the genuine safety component for Carrier model CP48P548P507011CP units. The switch monitors draft and venting pressure, confirming the inducer motor is moving combustion gases safely before the board allows ignition. When it fails or sticks, you'll typically see no ignition, lockout codes, or a unit that starts then shuts down. Using a factory OEM Carrier switch ensures the trip-point rating and hose-port configuration exactly match your equipment — critical, because an incorrect set-point either blocks normal operation or bypasses a vital safety check. Installation is relatively easy for a qualified technician: disconnect power, remove the pressure tubing, unplug the electrical connector, swap the switch, and reconnect. Most replacements take 15–30 minutes. Always verify the tubing routing matches the original to keep the safety circuit intact. Don't risk your system on a mismatched aftermarket part — choose the correct OEM pressure switch for safe, reliable operation. In stock and ready to ship; orders placed before 3PM CST go out the same day.
This part is compatible with Carrier model CP48P548P507011CP.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.