What are the specs for this Transformer?

The correct replacement for ICP model VG105AE1R — 120V to 25V 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 VG105AE1R — 120V to 25V 40VA | Ships Today.

ICP

ICP Transformer & Relay for VG105AE1R — 120V to 25V 40VA | Ships Today

Name: ICP Transformer & Relay for VG105AE1R — 120V to 25V 40VA | Ships Today
Brand: ICP
SKU: 92840
Price: 42.84 USD
Availability: InStock

SKU: 92840 Brand: ICP

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Overview

This OEM 40VA transformer-relay assembly fits the ICP VG105AE1R furnace and includes the 120V-to-25V receptacle transformer (part 97298) and the matching 24V SPDT relay (part 92840). The transformer supplies the 24V control circuit that runs the thermostat, gas valve, and board, while the SPDT relay switches a control load on a single-pole, double-throw contact. A failure on either part can disable the low-voltage circuit or cause a controlled component to stop switching reliably.

Specifications

Spec	Value
Transformer Part Number	97298
Relay Part Number	92840
Type	Receptacle Transformer + SPDT Relay
Brand	ICP
Primary Voltage	120V
Secondary Voltage	25V
Rating	40VA
Relay Coil	24V SPDT

Compatibility

Direct-fit for the ICP / Tempstar / Heil VG105AE1R and equipment using OEM parts 97298 and 92840. Verify your existing components before ordering.

Installation Guide

Safety First — Disconnect power and verify zero voltage with a multimeter.
Access — Remove the furnace service panel.
Document — Photograph all wires before disconnecting.
Remove — Unplug the receptacle transformer and pull the relay from its socket; disconnect any hard-wired leads.
Install — Seat the new transformer and relay, reconnect per your photo.
Test — Restore power and verify 25V secondary output and proper relay switching.

Signs You Need a Replacement

No low-voltage power to the control circuit
Relay chatters, sticks, or fails to switch
Blown low-voltage fuse on the board
Burnt or melted transformer/relay housing

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 & Relay for VG10...

$42.84

Frequently Asked Questions

Does this Transformer fit my ICP VG105AE1R — 120V to 25V 40VA | Ships Today?

Yes. This is the factory-specified OEM transformer for the ICP VG105AE1R — 120V to 25V 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 VG105AE1R — 120V to 25V 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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