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 is a critical safety control designed for the LC350TM400569 furnace. It monitors air flow and venting pressure within the combustion system, preventing ignition when a blocked vent, failed inducer, or improper draft is detected. Engineered to exact factory specifications, it ensures your furnace operates safely and shuts down before unsafe conditions develop. This direct-fit replacement matches the original equipment electrical connections and pressure tubing ports for the LC350TM400569, so no modifications are required. Installation is moderate difficulty and well within reach of an experienced DIYer or HVAC technician—simply disconnect power, transfer the tubing and wiring, and mount the new switch. Using a genuine Carrier part protects your warranty and guarantees reliable performance over the life of the unit. Replacing a faulty pressure switch restores proper short-cycling protection and eliminates nuisance lockouts. Orders placed before 3PM CST ship the same day, getting your heating system back online fast. Trust genuine OEM components for a dependable, long-lasting repair.
This part is compatible with Carrier model LC350TM400569.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.