What are the specs for this Pressure Switch Tubing?

The correct replacement for Goodman model GMTH045-3 — A3468601 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 Goodman equipment which lists the model number GMTH045-3 — A3468601.

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Goodman

OEM Goodman 3/16" ID Pressure Switch Tubing for GMTH045-3 — A3468601

Name: OEM Goodman 3/16" ID Pressure Switch Tubing for GMTH045-3 — A3468601
Brand: Goodman
SKU: GOODMAN-12513
Price: 2.95 USD
Availability: InStock

SKU: GOODMAN-12513 Brand: Goodman

$2.95 $3.95

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Goodman A3468601 Pressure Switch Tubing (3/16" ID)

The Goodman A3468601 is genuine OEM 3/16-inch inner-diameter pressure switch tubing for GMTH045-3 gas furnaces. This small hose connects the draft-pressure switch to the inducer housing or collector box, transmitting the vacuum signal that proves proper venting before the furnace allows ignition. Cracked, clogged, or hardened tubing is a frequent cause of pressure-switch lockouts and inducer-related error codes.

Specifications

Inner Diameter: 3/16 inch
OEM Part Number: A3468601
Fits: Goodman GMTH045-3 furnace
Application: Draft pressure switch signal line
Material: Heat- and moisture-resistant tubing

OEM vs. Generic

Genuine OEM tubing is cut to the correct length and rated for the temperatures and condensate exposure found near the inducer. Generic hose can be the wrong durometer or ID, leading to a poor seal and false pressure faults. At this price point, the exact OEM part is the obvious choice.

Installation Difficulty

Very Easy (1/5) — Shut off power, slide the old tube off both barbed fittings, and push the new tube fully onto each port. Confirm no kinks or low spots that could trap condensate. A quick five-minute repair for most homeowners.

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

OEM Goodman 3/16" ID Pressure Sw...

$2.95

Frequently Asked Questions

Does this Pressure Switch Tubing fit my Goodman GMTH045-3 — A3468601?

Yes. This is the factory-specified OEM pressure switch tubing for the Goodman GMTH045-3 — A3468601. 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 tubing on my Goodman GMTH045-3 — A3468601?

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 tubing compatible with Bryant or Payne too?

Many Goodman 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 Goodman pressure switch tubing?

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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