What are the specs for this Transformer?

The correct replacement for ICP model WPG3364060LKC1 — 208/230V to 24V | 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 WPG3364060LKC1 — 208/230V to 24V | Ships Today.

ICP

ICP 40VA Transformer for WPG3364060LKC1 — 208/230V to 24V | Ships Today

Name: ICP 40VA Transformer for WPG3364060LKC1 — 208/230V to 24V | Ships Today
Brand: ICP
SKU: 1178431
Price: 48.04 USD
Availability: InStock

SKU: 1178431 Brand: ICP

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Overview

This OEM 40VA control transformer (ICP part #1173691) steps 208/230V line voltage down to 24V to power the low-voltage control circuit on your ICP/Tempstar/Heil WPG3364060LKC1 furnace — the thermostat, control board, gas valve, and relays all depend on it. The kit includes the 24V barrier/terminal cover (part #1178431) for safe, code-compliant wiring. A burned-out transformer is a frequent cause of a completely dead furnace: no display, no thermostat response, and no ignition sequence. Replacing it with the correct 40VA OEM unit restores full control power.

Specifications

Spec	Value
Part Numbers	1173691 (Transformer), 1178431 (24V Barrier)
Part Type	Step-Down Control Transformer
Brand	ICP / Tempstar / Heil
Rating	40 VA
Primary Voltage	208 / 230 V
Secondary Voltage	24 V
Fits Model	WPG3364060LKC1
Fitment	OEM Direct Replacement

Compatibility

Direct OEM fit for the ICP/Tempstar/Heil WPG3364060LKC1 furnace and platform units using 40VA transformer 1173691 with barrier 1178431. Verify the primary/secondary voltage stamping on your original before ordering.

Installation Guide

Safety First — Disconnect power at the furnace switch and breaker; verify zero voltage with a multimeter.
Access — Remove the control compartment service panel.
Document — Photograph all primary and secondary lead connections before disconnecting.
Remove — Disconnect the leads, remove the mounting screws, and lift out the old transformer.
Install — Mount the new transformer, install the 24V barrier, and reconnect primary and secondary leads per your photo.
Test — Restore power and confirm 24V at the secondary and normal control operation.

Signs You Need a Replacement

Furnace completely dead with no 24V control power.
Thermostat blank or unresponsive.
Burnt smell or visible scorching on the transformer.
Repeatedly blown low-voltage fuse on the control board.

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 40VA Transformer for WPG3364...

$48.04

Frequently Asked Questions

Does this Transformer fit my ICP WPG3364060LKC1 — 208/230V to 24V | Ships Today?

Yes. This is the factory-specified OEM transformer for the ICP WPG3364060LKC1 — 208/230V to 24V | 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 transformer on my ICP WPG3364060LKC1 — 208/230V to 24V | Ships Today?

Difficulty: Medium (30–45 min)
Step 1: Turn off breaker. Step 2: Photo wiring connections. Step 3: Disconnect wires from old transformer. Step 4: Remove mounting hardware. Step 5: Install new transformer, reconnect wires matching voltage ratings. Step 6: Verify 24V output with multimeter.

My thermostat has no power. What failed?

Thermostat with no display = failed 24V transformer (or blown control board fuse). Check the 3A/5A fuse on the control board first ($1–$5 fix). If fuse is good but no 24V output from transformer, replace transformer.

Is this transformer 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 transformer?

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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