Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.
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This OEM Carrier pressure switch confirms safe draft and proper venting before your furnace permits ignition, protecting your home from unsafe combustion conditions. If the furnace fails to start, displays a pressure switch fault, or the inducer spins without the burners lighting, the switch is a likely cause. Calibrated for Carrier model LC350HE400810, it accurately senses the negative pressure produced by the draft inducer and closes its contacts to safely enable the ignition sequence. Replacement is a moderate DIY task of about 20 to 30 minutes: cut power, label and detach the wires and hose, mount the new switch, and reconnect. Using a true OEM switch guarantees the exact pressure setpoint your furnace was designed around, avoiding the false trips and intermittent operation caused by mismatched aftermarket parts. Return your system to safe, consistent heating cycles. Orders placed before 3PM CST ship same-day for fast service. Depend on genuine Carrier parts for safety and lasting reliability.
This part is compatible with Carrier model LC350HE400810.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.