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Rheem Evaporator coil RCFY4821STANM

Rheem Rheem AHRI Indoor - RCFY Endeavor Line Cased/Uncased Furnace Coil Evaporator coil Repair, maintenance, and replacement planning
Rheem RCFY4821STANM product image

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: RCFY4821STANM
  • AHRI records represented: 149
  • AHRI equipment type: Central HP
  • AHRI tonnage: 3.4166666666666665
  • AHRI refrigerant: R-454B
  • Verified catalog model: RCFY4821STANM
  • Verified product family: RCFY Endeavor Line Cased/Uncased Furnace Coil
  • Verified catalog brand: Rheem
  • Verified model: RCFY4821STANM
  • AHRI model/pattern: RCFY4821STANM
  • Product family: RCFY Endeavor Line Cased/Uncased Furnace Coil
  • Equipment type: Furnace coil
  • Nominal capacity: 4 ton
  • Nominal cooling capacity: 48,000 BTU/h
  • Cabinet width code: 21 in.
  • Refrigerant: R-454B
  • Coil series: N-Coil
  • Application: cased and replacement uncased options for gas and oil furnace applications
  • Airflow: vertical upflow/downflow and horizontal left/right applications
  • Feature: integrated refrigerant detection system on applicable R-454B installations
  • Official product page: https://bim.rheem.com/item/residential-split-furnace-coil/rcfy-endeavor-line-furnace-coil/rcfy4821stanm
  • Specification sheet: https://files.myrheem.com/webpartners/ProductDocuments/5865A80A-DC84-4608-B0A1-4998BFDA1149.pdf

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 216819682

AHRI 216819682 identifies a Mass Save qualified Central HP <5.4 tons from RHEEM with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819684

AHRI 216819684 identifies a Mass Save qualified Central HP <5.4 tons from RHEEM with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819691

AHRI 216819691 identifies a Mass Save qualified Central HP <5.4 tons from RHEEM with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819713

AHRI 216819713 identifies a Mass Save qualified Central HP <5.4 tons from RHEEM with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819715

AHRI 216819715 identifies a Mass Save qualified Central HP <5.4 tons from RHEEM with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819734

AHRI 216819734 identifies a Mass Save qualified Central HP <5.4 tons from RHEEM with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819778

AHRI 216819778 identifies a Mass Save qualified Central HP <5.4 tons from RHEEM with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819780

AHRI 216819780 identifies a Mass Save qualified Central HP <5.4 tons from RHEEM with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819854

AHRI 216819854 identifies a Mass Save qualified Central HP <5.4 tons from RHEEM with outdoor unit RD18AY48AJVC and indoor unit RCFY4821STANM.
Eligible Central HP <5.4 tons

AHRI 216819859

AHRI 216819859 identifies a Mass Save qualified Central HP <5.4 tons from RHEEM 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

Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

Michael C.

always available, easy to get a hold of, as a property manager I get lots no heat emergency, usually get to it same day or next day

Jack B.

Andrey always does a great job.

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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