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Evaporator coil

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Friedrich Evaporator coil RCFY4821STANM

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Friedrich Friedrich AHRI Indoor - TCFY/RCFY Endeavor Line cased furnace coil Evaporator coil Repair, maintenance, and replacement planning
Friedrich RCFY4821STANM product image

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: RCFY4821STANM
  • AHRI records represented: 147
  • AHRI equipment type: Central HP
  • AHRI tonnage: 3.4166666666666665
  • AHRI refrigerant: R-454B
  • Verified catalog model: RCFY4821STANM
  • Verified product family: TCFY/RCFY Endeavor Line cased furnace coil
  • Verified catalog brand: Friedrich
  • Verified model family: RCFY
  • Verified catalog model: RCFY4821STANMC
  • AHRI indoor model/pattern: RCFY4821STANM
  • Product family: TCFY/RCFY Endeavor Line cased furnace coil
  • Nominal capacity: 4 ton
  • Nominal cooling capacity: 48,000 BTU/h
  • Cabinet width: 21 in.
  • Configuration: multi-position cased evaporator coil
  • Coil type: N-coil
  • Efficiency tier: standard efficiency
  • Refrigerant: R-454B
  • Refrigerant control: TXV
  • A2L compatibility: factory sensor configuration where applicable by catalog suffix
  • Trusted catalog page: https://www.ferguson.com/product/friedrich-air-conditioning-endeavor-line-3-ton---multi-position---standard-efficiency-cased-coil---txv---21-w-ftcfy3621stanmc/10456834.html

Useful troubleshooting details

  • Confirm the installed model and serial number, matched indoor or outdoor equipment, voltage, refrigerant, controls, and AHRI certificate before service or replacement planning.
  • Use the linked AHRI certificates to verify matched-system combinations, rebate conversations, and equipment eligibility before quoting replacement work.
  • Collect photos of the nameplate, equipment access, recent fault history, and comfort symptoms before dispatch or proposal planning.

Certification match

AHRI certificates

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Eligible Central HP <5.4 tons

AHRI 216819657

AHRI 216819657 identifies a Mass Save qualified Central HP <5.4 tons from FRIEDRICH with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819665

AHRI 216819665 identifies a Mass Save qualified Central HP <5.4 tons from FRIEDRICH with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819667

AHRI 216819667 identifies a Mass Save qualified Central HP <5.4 tons from FRIEDRICH with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819689

AHRI 216819689 identifies a Mass Save qualified Central HP <5.4 tons from FRIEDRICH with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819721

AHRI 216819721 identifies a Mass Save qualified Central HP <5.4 tons from FRIEDRICH with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819723

AHRI 216819723 identifies a Mass Save qualified Central HP <5.4 tons from FRIEDRICH with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819755

AHRI 216819755 identifies a Mass Save qualified Central HP <5.4 tons from FRIEDRICH with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819771

AHRI 216819771 identifies a Mass Save qualified Central HP <5.4 tons from FRIEDRICH with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819798

AHRI 216819798 identifies a Mass Save qualified Central HP <5.4 tons from FRIEDRICH with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819800

AHRI 216819800 identifies a Mass Save qualified Central HP <5.4 tons from FRIEDRICH with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
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Service planning

How GreenFlow handles RCFY4821STANM requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Our Happy Customers

Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

Jenny W.

Great service! On time, knowledgeable & professional

Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

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