What are the specs for this Transformer?

The correct replacement for ICP model WAPL484A3 — 208/230V to 24V 40VA | 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 WAPL484A3 — 208/230V to 24V 40VA | Ships Today.

ICP

ICP Transformer for WAPL484A3 — 208/230V to 24V 40VA | Ships Today

Name: ICP Transformer for WAPL484A3 — 208/230V to 24V 40VA | Ships Today
Brand: ICP
SKU: 1172028
Price: 35.04 USD
Availability: InStock

SKU: 1172028 Brand: ICP

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Overview

This OEM control transformer (part #1172028) steps down 208/230V line voltage to 24V to power the low-voltage control circuit on your ICP WAPL484A3 system. Rated at 40VA, it supplies the contactor coil, control board, thermostat, and other 24V components. When a transformer fails, the entire control circuit goes dead — the system will not respond to the thermostat, the contactor will not pull in, and the unit appears completely unresponsive even though line power is present. A burned-out transformer is often accompanied by a faint burnt smell or a visibly scorched casing.

Specifications

Spec	Value
Part Number	1172028
Type	Step-Down Control Transformer
Brand	ICP (Tempstar / Heil)
Primary Voltage	208/230V
Secondary Voltage	24V
Rating	40VA

Compatibility

Engineered as a direct OEM fit for the ICP WAPL484A3 and shared across Tempstar, Heil, Day & Night, Comfortmaker, KeepRite, and Arcoaire systems using the 208/230V-to-24V 40VA control circuit. Always confirm your existing transformer's primary/secondary voltage and VA rating before ordering.

Installation Guide

Safety First — Disconnect power at the breaker and verify zero voltage with a multimeter before touching any wiring.
Access — Remove the service panel to expose the control compartment.
Document — Photograph all primary and secondary wire connections before disconnecting anything.
Remove — Disconnect the line-voltage primary leads and the 24V secondary leads, then unbolt the failed transformer from its mounting bracket.
Install — Mount the new transformer, matching the 208/230V taps to line and the 24V leads to the control circuit per your photo.
Test — Restore power and confirm 24V at the secondary and proper system startup.

Signs You Need a Replacement

System completely unresponsive to the thermostat despite line power being present.
No 24V reading at the secondary terminals with a multimeter.
Visibly scorched, swollen, or melted transformer casing.
Burnt electrical smell inside the control compartment.

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 Transformer for WAPL484A3 — ...

$35.04

Frequently Asked Questions

Does this Transformer fit my ICP WAPL484A3 — 208/230V to 24V 40VA | Ships Today?

Yes. This is the factory-specified OEM transformer for the ICP WAPL484A3 — 208/230V to 24V 40VA | 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 WAPL484A3 — 208/230V to 24V 40VA | 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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