Fan Coil

Carrier Fan Coil Filter 19 3/4X21 1/2X1 (FA/FB/FC 36 42 48 & FK4 3 & 5) service and support

Carrier Commercial Fan Coil Fan Coil Repair, maintenance, and replacement planning

Product service snapshot

Carrier Fan Coil Filter 19 3/4X21 1/2X1 (FA/FB/FC 36 42 48 & FK4 3 & 5) service details

Fan Coil Filter 19 3/4X21 1/2X1 (FA/FB/FC 36 42 48 & FK4 3 & 5) is a Carrier®, Bryant®, Payne® fan coil record from the Carrier Enterprise catalog. Catalog model: KFAFK0312LRG. Green Flow Solution uses this page for commercial model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

Brand: Carrier
Model or series: Fan Coil Filter 19 3/4X21 1/2X1 (FA/FB/FC 36 42 48 & FK4 3 & 5)
Equipment type: Fan Coil
Product group: Commercial Fan Coil

Technical snapshot

Fan Coil Filter 19 3/4X21 1/2X1 (FA/FB/FC 36 42 48 & FK4 3 & 5) technical snapshot

Product Specs

Model: KFAFK0312LRG
Manufacturer Number: KFAFK0312LRG
Vendor Number: KFAFK0312LRG
Catalog Brand: Carrier®, Bryant®, Payne®
Brand: Carrier®, Bryant®, Payne®
Country Of Origin: USA
Cubic Measurement: 0.2488
Dimensional Weight: 35
Filter Type: Whole House
For Use With: Air Cleaners
Height: 1
Length: 21.5
MERV Rating: 7
Nominal Filter Height In Inches: 21.5
Nominal Filter Size In Inches (W X H X D): 19 3/4 x 21 1/2 x 1
Nominal Filter Thickness In Inches: 1
Nominal Filter Width In Inches: 19.75
OPT Code: 1PKFAFK0312LRG
Prop 65: YES
Removes Fine Dust: NO
Removes Smoke: NO
Tier: Standard
Type: Filter Kit
UOM: EA
UPC: See Optical
Weight: 1
Width: 20

Useful troubleshooting details

Confirm the exact model number, serial number, installed equipment type, and site voltage before service or replacement planning.
Match replacement equipment and accessories against current Carrier compatibility requirements, refrigerant type, capacity, airflow, and local code requirements.

Service planning

How GreenFlow handles Fan Coil Filter 19 3/4X21 1/2X1 (FA/FB/FC 36 42 48 & FK4 3 & 5) requests

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.

Describe the service issue

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

Review access and history

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

Plan the next step

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

Fan Coil Filter 19 3/4X21 1/2X1 (FA/FB/FC 36 42 48 & FK4 3 & 5) service questions

Can GreenFlow help with Carrier Fan Coil Filter 19 3/4X21 1/2X1 (FA/FB/FC 36 42 48 & FK4 3 & 5) service requests?

Yes. GreenFlow can help collect the right details for Carrier Fan Coil Filter 19 3/4X21 1/2X1 (FA/FB/FC 36 42 48 & FK4 3 & 5) service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Fan Coil Filter 19 3/4X21 1/2X1 (FA/FB/FC 36 42 48 & FK4 3 & 5)?

Helpful symptoms include no heat, no cooling, weak airflow, control issues, tenant comfort complaints, water-loop or condensate concerns where relevant, access constraints, and whether one space or multiple zones are affected.

Is Fan Coil Filter 19 3/4X21 1/2X1 (FA/FB/FC 36 42 48 & FK4 3 & 5) used for residential or commercial properties?

Commercial equipment requests usually come from offices, restaurants, retail spaces, mixed-use buildings, multifamily common areas, schools, and managed properties where access and occupied-space comfort matter.

What helps schedule Fan Coil Filter 19 3/4X21 1/2X1 (FA/FB/FC 36 42 48 & FK4 3 & 5) service faster?

Share the exact model and serial number if available, clear photos of the equipment and surrounding access area, current symptoms, recent maintenance history, and whether the request is repair, maintenance, or replacement planning.

Popular cities

Service Areas

Boston, MA

Worcester, MA

Lowell, MA

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Our Happy Customers

Rajib M.

Andrey from Green Flow came out exactly when he said he was going to and fixed a simple problem with the heating system at my rental property. Really appreciate the quick turnaround and fair pricing.

Stephen P.

Excellent communication from start to finish and turned up exactly when promised. Ivan was extremely professional. Highly recommended!

Ted O.

Quick and professional service. Would give more stars if possible. Just amazing.

Nicholas M.

I called Green Flow Solutions in a hurry to diagnose and fix an AC unit in a commercial condo unit. They responded quickly, arrived urgently and performed an excellent job on the repair needed. Communication 10/10, professionalism 10/10 and quality 10/10. I will be recommending Green Flow Solutions...

Andrea W.

Andrey was quick, efficient, and professional. He was also very informative about the condition of the heat pump and gave options for repair/replacement. His cost estimates are reasonable. Highly recommend.

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high quality, fast and at a high level! Highly recommend!