What are the specs for this Transformer?

The correct replacement for ICP model X9MPV075F12B2 — 115V to 24V Control | 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 X9MPV075F12B2 — 115V to 24V Control | Ships Today.

ICP

ICP 40VA Transformer for X9MPV075F12B2 — 115V to 24V Control | Ships Today

Name: ICP 40VA Transformer for X9MPV075F12B2 — 115V to 24V Control | Ships Today
Brand: ICP
SKU: 1012722
Price: 32.44 USD
Availability: InStock

SKU: 1012722 Brand: ICP

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Overview

This is the OEM 40VA control transformer (OEM #1012722) for the ICP / Heil / Tempstar X9MPV075F12B2 two-stage variable-speed gas furnace. It steps 115V line voltage down to 24V to power the control board, gas valve, thermostat, and low-voltage accessories. A 40VA rating supplies the secondary current the furnace control circuit needs. When the transformer fails — usually from a shorted secondary, an overloaded accessory, or age — the entire 24V control circuit goes dead and the furnace will not respond to the thermostat.

Specifications

Spec	Value
Part Number	1012722 (Trans 115>24 40VA)
Type	Control / Low-Voltage Transformer
Brand	ICP / Heil / Tempstar / Comfortmaker
Rating	40 VA
Primary Voltage	115V
Secondary Voltage	24V
Application	Gas Furnace Control Circuit
Fitment	OEM Direct Replacement

Compatibility

Direct OEM replacement for the ICP/Heil/Tempstar X9MPV075F12B2 75,000 BTU two-stage variable-speed gas furnace. The 1012722 40VA transformer is used across a wide range of ICP-built 9-series furnaces sold under the Heil, Tempstar, Comfortmaker, and Arcoaire brands. Confirm your existing OEM part number 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 (line) and secondary (24V) wire connections before disconnecting.
Remove — Disconnect the leads, remove the transformer mounting screws, and lift out the failed unit.
Install — Mount the new transformer, then reconnect the primary and secondary leads exactly per your photo. Match line voltage to the primary and 24V loads to the secondary.
Test — Restore power and confirm 24V at the secondary with a multimeter, then run a full heat cycle.

Signs You Need a Replacement

No 24V control power — thermostat and furnace completely unresponsive.
Repeatedly blown low-voltage fuse on the control board.
Buzzing, overheating, or a burnt smell from the transformer.
0V (or far below 24V) measured at the secondary terminals.

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 X9MPV07...

$32.44

Frequently Asked Questions

Does this Transformer fit my ICP X9MPV075F12B2 — 115V to 24V Control | Ships Today?

Yes. This is the factory-specified OEM transformer for the ICP X9MPV075F12B2 — 115V to 24V Control | 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 X9MPV075F12B2 — 115V to 24V Control | 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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