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OEM Carrier Transformer 40VA 208/240V–24V for PY2PNB036060AA
Carrier

OEM Carrier Transformer 40VA 208/240V–24V for PY2PNB036060AA

SKU: CARRIE-PY2PNB036060AA-TRANSFORMER-HT01BD209 Brand: Carrier
✓ Guaranteed to fit PY2PNB036060AA — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier Control Transformer 40VA 208/240V to 24V — Model PY2PNB036060AA

This is the OEM factory-specified control transformer for the Carrier PY2PNB036060AA packaged unit. The transformer steps down 208/240V line voltage to the 24V AC signal that powers your thermostat, control board, and every relay in the system. When this component fails, the entire control circuit goes dark — the thermostat shows no power, the unit won't respond to any call for heating or cooling, and no safety outputs can activate. Replacing it with the correct OEM part (part number HT01BD209) restores factory-spec voltage regulation and prevents nuisance faults caused by under- or over-voltage to downstream controls.

  • Specs: Primary voltage 208/240V | Secondary voltage 24V | Power rating 40VA | Frequency 50/60 Hz | OEM part number HT01BD209
  • OEM vs Generic: OEM transformers are wound to exact factory tolerances, ensuring stable 24V output under full control-circuit load. Generic units may sag under load, causing intermittent lockouts, erratic thermostat behavior, or contactor chatter over time.
  • Install difficulty: 2/5 — Disconnect all power before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (verify 0V at terminals before touching wires). Photograph or label all wire connections before removal. Transformer typically mounts to the control panel with two screws; reconnect primary and secondary leads to matching terminals.
  • Warranty: 1-year OEM factory warranty against defects. In stock and ships same business day from our warehouse.

Compatibility: Engineered specifically for the Carrier PY2PNB036060AA packaged unit. Verify your unit's data plate shows 208/240V supply voltage and a 24V control circuit before ordering. Cross-references include Carrier HT01CN232 and HT01CN233 in applicable configurations. Our fitment team is available to confirm compatibility before you buy — order with confidence and get back up and running today.

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 $99
  • 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

Frequently Asked Questions

Does this Transformer fit my Carrier PY2PNB036060AA?
Yes. This is the factory-specified OEM transformer for the Carrier PY2PNB036060AA. 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 Carrier PY2PNB036060AA?
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 Carrier 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 Carrier 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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Mike Rivera
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