What are the specs for this Control Board?

The correct replacement for Carrier model Model 25VNA436A0030050 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 Model 25VNA436A0030050.

Is this control board 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.

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Carrier

Carrier Circuit - Pcm Board HK38EA055 for Model 25VNA436A0030050

Name: Carrier Circuit - Pcm Board HK38EA055 for Model 25VNA436A0030050
Brand: Carrier
SKU: CARRIE-25VNA436A0030050-HK38EA055
Price: 299.95 USD
Availability: InStock

SKU: CARRIE-25VNA436A0030050-HK38EA055 Brand: Carrier

$299.95

Market price $352.88

SAVE $52.93 (15%) vs market

Genuine Carrier OEM part · Guaranteed to fit your unit

✓ Guaranteed to fit 25VNA436A0030050 — or your money back. Terms

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

Genuine OEM Carrier board, circuit - pcm, part HK38EA055 — the factory-exact replacement for the 25VNA436A0030050. Fitment guaranteed — free returns if it doesn't fit.

Specifications

Xref	CEPL131220-01-R / CEBD431220-02-RA
Note	Carrier/Bryant Factory Authorized Parts Primary Control Module (heat-pump primary/defrost control board). Silkscreen cross CEPL131220-01-R and CEBD431220-02-RA confirmed from two independent marketplace board-photo listings (eBay itm 358042639095, bonanza listing 1773412056). Function 'Primary Control Module' confirmed independently by supplyhouse, carrierenterprise, encompass, partshnc, and technicalhotandcoldparts. Marketplace listing also states 24V / 1-phase control but voltage was seen on only one domain so it is not asserted as verified.
OEM Part Number	HK38EA055
Brand	Carrier
Condition	New — genuine OEM

Symptoms of a failing control board

Watch for: The unit fails to complete its normal cycle, visible wear, corrosion, or heat damage on the part, intermittent operation that worsens. Catching it early protects the components around it.

Replacement guide

Kill power before servicing and photograph the wiring and mounting. Swap the part, torque fasteners evenly, and route wires away from hot or moving surfaces. Run a complete cycle and verify normal operation before closing the panel.

FAQ

Is this the exact OEM part for my 25VNA436A0030050? Yes — verified factory fitment for that model.

Not sure of your model? Chat with Mike with the number from your unit's nameplate and we'll confirm 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 $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

Carrier Circuit - Pcm Board HK38...

$299.95

Frequently Asked Questions

Does this Control Board fit my Carrier Model 25VNA436A0030050?

Yes. This is the factory-specified OEM control board for the Carrier Model 25VNA436A0030050. 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 control board on my Carrier Model 25VNA436A0030050?

Difficulty: Advanced (1–2 hrs)
Step 1: Turn off breaker. Step 2: PHOTOGRAPH all wire connections before touching anything. Step 3: Label each wire with tape. Step 4: Disconnect all wires, remove old board. Step 5: Mount new board, reconnect all wires matching your photo exactly. Step 6: Restore power and test all modes. Exact part number match is critical.

My HVAC system is completely dead. What could be wrong?

Completely dead HVAC (no LED on board) = failed control board or blown fuse. Check board fuse first (3A or 5A, costs $1–$5). If fuse is good and board has power but no LED, board is dead. Always photograph wiring before replacing.

Is this control board 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 control board?

OEM essential. Control boards are model-specific with precise firmware and connector layouts. Aftermarket boards rarely match all functions and can cause intermittent failures or safety issues. Always match the exact OEM part number.

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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