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OEM Carrier Transformer 50VA 120/240-24V — YAC60140YACX102AT
Carrier

OEM Carrier Transformer 50VA 120/240-24V — YAC60140YACX102AT

SKU: CARRIE-YAC60140YACX102AT-TRANSFORMER-P201-35150 Brand: Carrier

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Texas CMBL #19328542014
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Govt POs Accepted

OEM Carrier 50VA Control Transformer for Model YAC60140YACX102AT (P201-35150)

This OEM Carrier step-down transformer (part# P201-35150) is the factory-specified replacement for the Carrier YAC60140YACX102AT. It steps incoming line voltage of 120/208/240 VAC down to a safe 12/24 VAC to power your system's control board, thermostat, and all low-voltage control circuits. When this transformer fails, you'll typically experience a completely unresponsive thermostat, a dark control board, or a system that won't respond to any commands — effectively a full system lockout.

  • Specs: 50VA rating | Primary: 120/208/240 VAC | Secondary: 12/24 VAC | 60 Hz | Single phase | CSA listed | Totaline / Carrier OEM part# P201-35150
  • OEM vs Generic: This is a genuine factory-authorized OEM part engineered to exact Carrier tolerances. Generic transformers often run outside rated VA, causing premature control board failure or nuisance tripping of the secondary fuse.
  • Install difficulty: 2/5 — Shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Note all wiring connections before disconnecting. Verify secondary output (24 VAC) with a multimeter before reassembling panels.
  • Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse — order before 3 PM local time to go out today.

Compatibility: Designed for the Carrier model YAC60140YACX102AT. Verify your existing transformer's VA rating and primary/secondary voltages against your unit's data plate before ordering. Cross-references: Totaline P201-35150, HCTY156D0LS11102. Have a fitment question? Our HVAC parts specialists are ready to confirm compatibility before you order.

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

Frequently Asked Questions

Does this Transformer fit my Carrier OEM Carrier Transformer 50VA 120/240-24V — YAC60140YACX102AT?
Yes. This is the factory-specified OEM transformer for the Carrier OEM Carrier Transformer 50VA 120/240-24V — YAC60140YACX102AT. 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 OEM Carrier Transformer 50VA 120/240-24V — YAC60140YACX102AT?
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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