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OEM Payne Transformer 40VA 120V/24V for PA2PNB024000AC
Payne

OEM Payne Transformer 40VA 120V/24V for PA2PNB024000AC

SKU: PAYNE-PA2PNB024000AC-TRANSFORMER-HT01BD209 Brand: Payne

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

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OEM Payne Control Transformer 40VA 120V/24V for Model PA2PNB024000AC

This OEM replacement transformer (part number HT01BD209) is the factory-specified control circuit transformer for the Payne PA2PNB024000AC air conditioning system. The transformer steps down line voltage from 120V to the 24V signal required by your thermostat, contactor coil, and all low-voltage control components. When this part fails, the entire control circuit goes dark — your thermostat goes blank, the system stops responding to calls for cooling, and nothing operates. If you have 120V at the primary but zero volts at the secondary terminals, this transformer is the culprit.

  • Specs: 40VA rating | 120V primary / 24V secondary | OEM part number HT01BD209 | Factory-matched output for reliable low-voltage control circuit performance
  • OEM vs Generic: This OEM transformer is wound and tested to Payne's exact VA and voltage tolerances. Generic replacements often run hot under sustained load, risking nuisance tripping or premature failure of downstream control components.
  • Install difficulty: 2/5 — Shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter, wire nuts or terminal connectors. Label all wires before disconnecting. Verify 120V input and 24V output with a multimeter after installation before restoring full system power.
  • Warranty: 1-year OEM factory warranty. Orders placed by 3PM ship same business day from our climate-controlled warehouse.

Compatibility: Designed specifically for the Payne PA2PNB024000AC split-system air conditioner. Always confirm the transformer's VA rating and primary/secondary voltages against your unit's data plate before ordering. Our HVAC parts specialists are available to verify fitment — contact us before you buy if you have any questions.

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 support@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Transformer fit my Payne PA2PNB024000AC?
Yes. This is the factory-specified OEM transformer for the Payne PA2PNB024000AC. 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 Payne PA2PNB024000AC?
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 Payne 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 Payne 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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