What are the specs for this Transformer?

The correct replacement for Goodman model CPC048 — 0130M00138S 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 Goodman equipment which lists the model number CPC048 — 0130M00138S.

Is this transformer compatible with Bryant or Payne systems too?

Many Goodman parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

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Goodman

OEM Goodman 40VA Transformer for CPC048 — 0130M00138S

Name: OEM Goodman 40VA Transformer for CPC048 — 0130M00138S
Brand: Goodman
SKU: GOODMAN-359
Price: 35.94 USD
Availability: InStock

SKU: GOODMAN-359 Brand: Goodman

$35.94 $48.52

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The Goodman 0130M00138S is a genuine OEM control transformer for the Goodman CPC048XXX3DXJXBA air conditioner and compatible CPC048-series packaged units. It steps line voltage down to the 24-volt low-voltage power that runs your thermostat, contactor coil, and control board. A burned-out transformer leaves the entire control circuit dead — no thermostat response and no cooling.

Specifications

Secondary output: 24 VAC
Rating: 40 VA
Primary: 208/240 VAC (multi-tap)
Function: Step-down control transformer
Application: Low-voltage control circuit
Equipment: Goodman CPC048 packaged air conditioner
OEM Part Number: 0130M00138S

OEM vs. Generic

The OEM transformer matches the correct VA rating, primary taps, and mounting footprint for your Goodman unit, so the control circuit gets stable, properly sized power. Generic transformers may be under-rated on VA, causing the secondary to sag under contactor load and the system to short-cycle. OEM is the reliable choice.

Installation Difficulty

Easy (2/5). Cut power, note the primary tap and secondary leads, mount the new transformer, and transfer wiring to the matching taps. Roughly 20–30 minutes. Verify 24V output with a meter before restoring the thermostat circuit.

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

OEM Goodman 40VA Transformer for...

$35.94

Frequently Asked Questions

Does this Transformer fit my Goodman CPC048 — 0130M00138S?

Yes. This is the factory-specified OEM transformer for the Goodman CPC048 — 0130M00138S. 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 Goodman CPC048 — 0130M00138S?

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 Goodman 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 Goodman 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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