What are the specs for this Pressure Switch?

The correct replacement for ICP model WPG3304060LKC1 — OEM Tubing Air-Proving Switch | Ships Today 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 ICP equipment which lists the model number WPG3304060LKC1 — OEM Tubing Air-Proving Switch | Ships Today.

ICP

ICP Pressure Switch for WPG3304060LKC1 — OEM Tubing Air-Proving Switch | Ships Today

Name: ICP Pressure Switch for WPG3304060LKC1 — OEM Tubing Air-Proving Switch | Ships Today
Brand: ICP
SKU: 1178417
Price: 45.44 USD
Availability: InStock

SKU: 1178417 Brand: ICP

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Overview

This genuine OEM tubing pressure switch (OEM #1178417) is the draft/air-proving safety switch for the ICP/Tempstar/Heil WPG3304060LKC1 package gas unit. It senses negative pressure created by the inducer motor through its sensing tube and closes its contacts to prove proper venting before the control board allows ignition. If the switch fails open, is clogged, or has a cracked tube, the furnace will not fire and the board reports a pressure switch fault — a critical safety interlock that prevents operation when flue gases cannot vent. Replacing it with the correct OEM switch restores safe, reliable startup.

Specifications

Spec	Value
Part Number	1178417
Type	Tubing Air-Proving Pressure Switch
Brand	ICP / Tempstar / Heil
Function	Draft / Vent Safety Proving
Application	Package Gas / Furnace

Compatibility

Direct fit for the ICP/Tempstar/Heil WPG3304060LKC1 package gas/electric unit and related WPG-series models using the 1178417 pressure switch. Verify your trip set point and tube fitting before ordering.

Installation Guide

Safety First — Disconnect power and verify zero voltage with a multimeter.
Access — Remove the control/inducer compartment service panel.
Document — Photo the switch wiring and the routing of the sensing tube.
Remove — Pull the sensing tube, disconnect the spade terminals, and remove the mounting screws.
Install — Mount the new switch, reconnect the wiring, and reattach the sensing tube with no kinks or moisture traps.
Test — Restore power and confirm the switch closes on a heat call and the burners light.

Signs You Need a Replacement

Furnace inducer runs but burners never ignite
Control board flashes a pressure switch fault code
Switch will not close even with good inducer draft
Cracked sensing tube or stuck contacts

Shipping & Returns

Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.

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

ICP Pressure Switch for WPG33040...

$45.44

Frequently Asked Questions

Does this Pressure Switch fit my ICP WPG3304060LKC1 — OEM Tubing Air-Proving Switch | Ships Today?

Yes. This is the factory-specified OEM pressure switch for the ICP WPG3304060LKC1 — OEM Tubing Air-Proving Switch | Ships Today. 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 ICP WPG3304060LKC1 — OEM Tubing Air-Proving Switch | Ships Today?

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 ICP 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 ICP 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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