What are the specs for this Flue Pipe?

The correct replacement for National HVAC Parts model 3-Inch PVC Vent Pipe 5ft — High-Efficiency Furnace Exhaust is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your National HVAC Parts equipment which lists the model number 3-Inch PVC Vent Pipe 5ft — High-Efficiency Furnace Exhaust.

What symptoms indicate I need a new flue pipe?

Common symptoms that indicate you need a new flue pipe include unusual noises, intermittent operation, complete failure to operate, or visible damage. For specific diagnostic guidance, visit nationalhvacparts.com/pages/hvac-diagnostic.

Is this flue pipe compatible with Bryant or Payne systems too?

Many National HVAC Parts parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

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National HVAC Parts

3-Inch PVC Vent Pipe 5ft — High-Efficiency Furnace Exhaust

Name: 3-Inch PVC Vent Pipe 5ft — High-Efficiency Furnace Exhaust
Brand: National HVAC Parts
SKU: NHVAC-FLUE-3IN
Price: 14.99 USD
Availability: InStock

SKU: NHVAC-FLUE-3IN Brand: National HVAC Parts

$14.99 $22.99

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

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3-inch Schedule 40 PVC vent pipe (5-foot length) for high-efficiency condensing furnaces (90%+ AFUE). Used for both intake and exhaust venting. PVC is required for high-efficiency furnaces because the exhaust is cool enough to not melt plastic.

Size: 3" diameter
Length: 5 feet
Material: Schedule 40 PVC
Application: 90%+ AFUE condensing furnaces

Install difficulty: 2/5 — Cut to length, apply PVC cement, connect. Follow manufacturer's venting tables for total length limits.

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 info@nationalhvacparts.com to initiate a return
Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Flue Pipe fit my National HVAC Parts 3-Inch PVC Vent Pipe 5ft — High-Efficiency Furnace Exhaust?

Yes. This is the factory-specified OEM flue pipe for the National HVAC Parts 3-Inch PVC Vent Pipe 5ft — High-Efficiency Furnace Exhaust. 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 flue pipe on my National HVAC Parts 3-Inch PVC Vent Pipe 5ft — High-Efficiency Furnace Exhaust?

Refer to your equipment service manual for model-specific steps. General approach: turn off power, photograph connections, remove old part, install new part, restore power and test. For gas components, hire a licensed technician. Email info@nationalhvacparts.com for guidance.

What symptoms mean I need a new flue pipe?

Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.

Is this flue pipe compatible with Bryant or Payne too?

Many National HVAC Parts 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 National HVAC Parts flue pipe?

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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3-Inch PVC Vent Pipe 5ft — High-Efficiency Furnace Exhaust

Shipping Information

Return Policy

Frequently Asked Questions