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OEM Payne Transformer 40VA 120V-24V for PA2PNB030000AA
Payne

OEM Payne Transformer 40VA 120V-24V for PA2PNB030000AA

SKU: PAYNE-PA2PNB030000AA-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 Transformer 40VA 120V-24V for Model PA2PNB030000AA

This OEM replacement transformer (part number HT01BD209) is the factory-specified control circuit transformer for the Payne PA2PNB030000AA air conditioner. The transformer steps down 120V line voltage to the 24V signal voltage required by the thermostat, contactor coil, and control board. When it fails, the entire control circuit loses power — your thermostat goes blank, nothing responds, and the system won't start at all. It is one of the first components to check when a system shows zero signs of life despite having line voltage at the unit.

  • Specs: 40VA rating | 120V primary / 24V secondary | OEM part number HT01BD209 | Factory-matched output for stable control circuit voltage
  • OEM vs Generic: OEM transformers are wound to exact VA and voltage tolerances. Undersized or off-tolerance generic units can brown out the control board under load, causing intermittent faults or premature board failure.
  • Install difficulty: 2/5 — Shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label or photograph all wire connections before removal. Confirm 24V output with a multimeter after install before closing the panel.
  • Warranty: 1-year OEM factory warranty included. Orders placed before cutoff ship same business day from our warehouse.

Compatibility: Designed for the Payne PA2PNB030000AA split-system air conditioner. Always verify your existing transformer's VA rating and primary/secondary voltages on the unit data plate or wiring diagram before ordering. Our parts specialists are available to confirm fitment prior to purchase — no guesswork required.

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 PA2PNB030000AA?
Yes. This is the factory-specified OEM transformer for the Payne PA2PNB030000AA. 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 PA2PNB030000AA?
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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