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OEM Carrier Transformer 40VA 120V/24V for YAC36100YAC306
Carrier

OEM Carrier Transformer 40VA 120V/24V for YAC36100YAC306

SKU: CARRIE-YAC36100YAC306-TRANSFORMER-P201-35150 Brand: Carrier
Guaranteed to fit YAC36100YAC306 — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 40VA Control Transformer P201-35150 for Model YAC36100YAC306

This OEM replacement transformer (part number P201-35150) is the factory-specified control circuit transformer for the Carrier YAC36100YAC306 air conditioning unit. The transformer steps down line voltage (120V) to the 24V low-voltage signal used by the thermostat, contactor coil, and all control board logic. When this part fails, the entire control circuit goes dead — the thermostat shows no response, the system will not energize, and no error codes will appear because the board itself has no power.

  • Specs: 40VA rating | 120V primary / 24V secondary | Factory-matched OEM winding tolerances | Compact footprint for direct drop-in fitment on Carrier YAC36100YAC306
  • OEM vs Generic: OEM transformers maintain precise VA ratings and winding insulation class. Generic or off-brand units often under-rate their VA capacity, causing premature thermal cutout and repeat failures — especially under high-demand multi-zone control loads.
  • Install difficulty: 2/5 — Shut off all power at the breaker and disconnect the low-voltage wiring harness before removal. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output after install). Photograph all wiring connections before disconnecting.
  • Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse when ordered before 3PM local time.

Compatibility: Designed as the direct OEM replacement for Carrier model YAC36100YAC306. Always verify your unit's data plate voltage ratings match (120V primary / 24V secondary, 40VA) before ordering. Our fitment team is available to confirm compatibility — 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 $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 YAC36100YAC306?
Yes. This is the factory-specified OEM transformer for the Carrier YAC36100YAC306. 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 YAC36100YAC306?
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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