What are the specs for this Transformer?

The correct replacement for Carrier model HUMCCLBP2317A — P201-2201 is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Carrier equipment which lists the model number HUMCCLBP2317A — P201-2201.

Is this transformer compatible with Bryant or Payne systems too?

Many Carrier parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

Carrier

OEM Carrier Transformer 40VA 120V/24V for HUMCCLBP2317A — P201-2201

Name: OEM Carrier Transformer 40VA 120V/24V for HUMCCLBP2317A — P201-2201
Brand: Carrier
SKU: CARRIE-HUMCCLBP2317A-TRANSFORMER-P201-2201
Price: 47.25 USD
Availability: InStock

SKU: CARRIE-HUMCCLBP2317A-TRANSFORMER-P201-2201 Brand: Carrier

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OEM Carrier 40VA Control Transformer for Model HUMCCLBP2317A (P201-2201)

This OEM control transformer (Carrier part# P201-2201) is the factory-specified replacement for the Carrier HUMCCLBP2317A whole-home bypass humidifier. The transformer steps line voltage (120V) down to the 24V AC signal required to power the unit's control circuit and solenoid valve. When the transformer fails, the humidifier will appear completely dead — no display response, no solenoid click, and no humidification — even when the furnace is running and calling for humidity. It is one of the first components to check when troubleshooting a non-responsive humidifier control circuit.

Specs: 40VA rating | Primary: 120V AC | Secondary: 24V AC | Hardwired lead connections | Class 2 output | Factory-matched to Carrier HUMCCLBP2317A control circuit requirements
OEM vs Generic: This is a genuine Carrier OEM transformer manufactured to exact VA and voltage specifications. Generic transformers may deliver inconsistent secondary voltage, causing erratic solenoid behavior, nuisance lockouts, or premature control board failure — a much costlier repair.
Install difficulty: 2/5 — Shut off power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter, wire nuts. Verify secondary output voltage with a multimeter after installation before restoring power to the control board.
Warranty: 1-year OEM factory warranty. In-stock units ship same business day from our warehouse when ordered before 3 PM local time.

Compatibility: Designed specifically for the Carrier HUMCCLBP2317A bypass humidifier. Verify your unit's data plate shows 120V primary input and 24V secondary output before ordering. If your humidifier model number or voltage rating differs, contact our parts team — we verify fitment before you buy. Order now and get your system running today with fast, same-day shipping.

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

OEM Carrier Transformer 40VA 120...

$47.25

Frequently Asked Questions

Does this Transformer fit my Carrier HUMCCLBP2317A — P201-2201?

Yes. This is the factory-specified OEM transformer for the Carrier HUMCCLBP2317A — P201-2201. 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 HUMCCLBP2317A — P201-2201?

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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OEM Carrier Transformer 40VA 120V/24V for HUMCCLBP2317A — P201-2201

OEM Carrier 40VA Control Transformer for Model HUMCCLBP2317A (P201-2201)

Shipping Information

Return Policy

Frequently Asked Questions