What are the specs for this Transformer?

The correct replacement for Goodman model APH1348H41DA — 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 APH1348H41DA — 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 24V Transformer for APH1348H41DA — 0130M00138S

Name: OEM Goodman 40VA 24V Transformer for APH1348H41DA — 0130M00138S
Brand: Goodman
SKU: GOODMAN-15278
Price: 29.95 USD
Availability: InStock

SKU: GOODMAN-15278 Brand: Goodman

$29.95 $39.95

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The Goodman 0130M00138S Transformer is a genuine OEM control-voltage transformer for the APH1348H41DA heat pump and compatible Goodman/Amana systems. It steps line voltage down to the 24V control power that runs your thermostat, contactor coil, defrost board, and safety circuits. A dead transformer is the classic cause of a completely unresponsive thermostat and a system that shows no signs of life on a call for heating or cooling.

Specifications

Rating: 40VA (typical for this class)
Primary: 208/240V
Secondary: 24V control voltage
Fits: Goodman/Amana heat pumps incl. APH1348H41DA
OEM Part Number: 0130M00138S
Mounting: Factory bracket/foot pattern for direct replacement

OEM vs. Generic

The OEM Goodman 0130M00138S delivers the correct VA capacity and secondary voltage with the exact mounting and lead configuration your unit expects. Undersized generic transformers can overheat and fail when driving the full control load. OEM ensures headroom and a clean, no-splice installation.

Installation Difficulty

Easy (2/5). A technician can replace this transformer in about 20 minutes. Always kill power at the disconnect first, label the primary and secondary leads, and verify 24V output with a meter after installation.

Exact-fit control transformer for Goodman APH1348H41DA.

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 24V Transformer...

$29.95

Frequently Asked Questions

Does this Transformer fit my Goodman APH1348H41DA — 0130M00138S?

Yes. This is the factory-specified OEM transformer for the Goodman APH1348H41DA — 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 APH1348H41DA — 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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