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OEM Carrier Pressure Switch for Furnace Model LC350LC400466
Carrier

OEM Carrier Pressure Switch for Furnace Model LC350LC400466

SKU: carrier-pressure-switch-lc350lc400466 Brand: Carrier
$54.95

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

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OEM Carrier Pressure Switch for Furnace Model LC350LC400466

This OEM Carrier pressure switch is a critical safety control for furnace model LC350LC400466, monitoring negative air pressure in the venting system to confirm the inducer motor is moving combustion gases safely before the igniter and gas valve activate. A faulty pressure switch is a common cause of furnaces that fail to ignite or short-cycle on startup. Built to exact factory specifications, this genuine Carrier part guarantees correct trip-point calibration and reliable hose-port fitment, ensuring your unit cycles properly and passes its self-diagnostic safety check. Installation is a moderate DIY job for the handy homeowner, typically taking 20 to 30 minutes with basic hand tools—simply disconnect power, transfer the pressure hoses and wiring, and mount the replacement. Always confirm power is off at the breaker before servicing. Restore safe, efficient heating and avoid costly service calls with a part engineered specifically for your equipment. In stock and ready to ship same-day on all orders placed before 3PM CST.

Compatibility

This part is compatible with Carrier model LC350LC400466.

Shipping

Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $75
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email support@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Pressure Switch fit my Carrier Furnace Model LC350LC400466?
Yes. This is the factory-specified OEM pressure switch for the Carrier Furnace Model LC350LC400466. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the pressure switch on my Carrier Furnace Model LC350LC400466?
Difficulty: Medium (20–30 min)
Step 1: Turn off power. Step 2: Locate pressure switch near draft inducer. Step 3: Note tubing orientation. Step 4: Disconnect tubing and wires. Step 5: Remove screw, install new switch. Step 6: Reconnect tubing and wires, restore power.
My furnace shows a pressure switch error. What do I replace?
Furnace LED showing pressure switch error = switch not detecting draft inducer airflow. Try first: clear the rubber tubing to the switch (often clogged with condensation). If problem persists, replace the pressure switch.
Is this pressure switch compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier pressure switch?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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