What are the specs for this Relay?

The correct replacement for ICP model Model 48TMFSRBC-1A00 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 ICP equipment which lists the model number Model 48TMFSRBC-1A00.

What symptoms indicate I need a new relay?

Common symptoms that indicate you need a new relay include unusual noises, intermittent operation, complete failure to operate, or visible damage. For specific diagnostic guidance, visit nationalhvacparts.com/pages/hvac-diagnostic.

ICP

ICP Lockout Relay HN65CT003 for Model 48TMFSRBC-1A00

Name: ICP Lockout Relay HN65CT003 for Model 48TMFSRBC-1A00
Brand: ICP
SKU: ICP-48TMFSRBC-1A00-HN65CT003
Price: 149.99 USD
Availability: InStock

SKU: ICP-48TMFSRBC-1A00-HN65CT003 Brand: ICP

$149.99

Market price $176.45

SAVE $26.46 (15%) vs market

Genuine ICP OEM part · Guaranteed to fit your unit

✓ Guaranteed to fit 48TMFSRBC-1A00 — or your money back. Terms

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

This is the exact ICP part HN65CT003 installed at the factory in the 48TMFSRBC-1A00 — not a will-fit substitute. Fitment guaranteed — free returns if it doesn't fit.

Specifications

Xref	Replaced/superseded by Carrier 38HQ660014 (current-sensing compressor lockout board)
Note	Current-sensing compressor lockout relay/board; discontinued by manufacturer (per SupplyHouse, ~2012).
OEM Part Number	HN65CT003
Brand	ICP
Condition	New — genuine OEM

Symptoms of a failing relay

Watch for: Error codes tracing to this component, the system short-cycles or locks out, performance that degrades under load. Catching it early protects the components around it.

Replacement guide

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 48TMFSRBC-1A00? 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

ICP Lockout Relay HN65CT003 for ...

$149.99

Frequently Asked Questions

Does this Relay fit my ICP Model 48TMFSRBC-1A00?

Yes. This is the factory-specified OEM relay for the ICP Model 48TMFSRBC-1A00. 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 relay on my ICP Model 48TMFSRBC-1A00?

Refer to your equipment service manual for model-specific steps. General approach: turn off power, photograph connections, remove old part, install new part, restore power and test. For gas components, hire a licensed technician. Email info@nationalhvacparts.com for guidance.

What symptoms mean I need a new relay?

Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.

Is this relay compatible with Bryant or Payne too?

Many ICP 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 ICP relay?

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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