What are the specs for this Pressure Switch Tubing?

The correct replacement for Goodman model GMNT100-4 — 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 GMNT100-4 — A3468601.

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Goodman

OEM Goodman 3/16 in ID Pressure Switch Tubing for GMNT100-4 — A3468601

Name: OEM Goodman 3/16 in ID Pressure Switch Tubing for GMNT100-4 — A3468601
Brand: Goodman
SKU: GOODMAN-11719
Price: 2.95 USD
Availability: InStock

SKU: GOODMAN-11719 Brand: Goodman

$2.95 $3.95

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

The Goodman A3468601 pressure switch tubing is a genuine OEM 3/16-inch inside-diameter hose for the GMNT100-4 gas furnace. This small silicone/rubber tube connects the induced-draft pressure switch to its port on the inducer housing or flue, allowing the switch to sense proper draft before the burners are allowed to fire. Cracked, hardened, kinked, or condensate-blocked tubing is a frequent cause of pressure-switch lockouts and no-heat calls, since the switch can no longer read a true vacuum signal.

Specifications

OEM Part Number: A3468601
Inside Diameter: 3/16 inch
Type: Flexible pressure/draft sensing tubing
Compatible Model: GMNT100-4 furnace
Brand: Goodman / Amana
Material: Heat- and condensate-resistant tubing

OEM vs. Generic

The OEM tubing uses the correct 3/16-inch bore and a temperature/condensate-resistant compound rated for the furnace's draft path. Generic hose of the wrong diameter or material can slip off the barbed fittings, collapse, or degrade quickly. OEM ensures a leak-free, reliable draft signal.

Installation Difficulty

Easy (1/5). Pull the old tube off both barb fittings, cut the new tubing to the same length, and press it firmly onto the pressure switch and inducer ports. Cut power first and confirm the routing has no low spots that trap condensate. Under 10 minutes.

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 in ID Pressure ...

$2.95

Frequently Asked Questions

Does this Pressure Switch Tubing fit my Goodman GMNT100-4 — A3468601?

Yes. This is the factory-specified OEM pressure switch tubing for the Goodman GMNT100-4 — 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 GMNT100-4 — 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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