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  1. Home
  2. Electronic Air Cleaners
  3. Duct Mounted
  4. F50A-E 12x20 Parts

Honeywell F50A & F50E Parts - Size 12½ x 20

  • 20 x 25
  • 20 x 20
  • 16 x 25
  • 12½ x 20

The following diagram displays parts that fits the Honeywell model F50A1108, F50E0167 and F50E1331. Visiting each part landing page will provide detailed part information, pricing and availability.

Where is my F50E/A Model Number

Hi-Resolotion photo of door (1.4M pdf, 1 photo)Order parts based on your model number. The F50 model number is located on the inside of the door. Otherwise order parts based on the overall size of your cells. The F50E came in 5 sizes. The smallest model has on cell 12"½x20". The two cell models are 16"x20" , 16"x25" , 20"x20" , 20"x25".

If your air cleaner manufactured by a different company and looks like our photos, then it is a Honeywell air cleaner. Honeywell also had an earlier F50F that was similar. The most noticeable difference between the F50F and the earlier F50E is the size of the powerbox. The F50F power box runs the full length from front to back. The F50E power box is half the length.

The F50A is identical to the F50E but without the W8600 and AFS.

F50A & F50E Service Manuals & Brochures

  • F50E Cross Reference
  • F50E Product Data 1998
  • F50E Introduction
  • F50E Product Data 1987
  • W8600 Troubleshooting
  • F50E Owners Manual
  • Cell Washing Frequency
  • Honeywell Reliability
  • F50A Service 1775
  • F50A Owners 1982
  • F50A Brochure 1984
  • F50A Owners 1975

Simple Power Supply Test Procedure

Troubleshooting Problem:

  • The neon indicator light is not coming on
  • The cells never spark
  • Power box switch is ON
  • Door is tight in place
  • Blower is ON
  1. Verify Power is Present. 
    Verify 120 volt is present entering the power box.

  2. Check for Shorted Cells
    A shorted cell can prevent the indicator light from coming on. Remove both cells, with door back in place operate without cells. If the unit now appears OK with indicator light ON, then the cells have a problem.
    • Operate without cells
    • Check cells for broken wires
    • Check cells for bent plates
    • Check with one cell at a time (align cell with contacts) 

  3. Replace or Repair Power Box. 
    If the power box is plugged in to 120v and the Neon indicator still does not light without the cells, then the problem is in the power box
  • Check the on/off switch, interlock door switch and wiring.
  • Bypass the Air Flow Switch (AFS), The AFS is a sensor that signals the power supply when air flow is present. Disabling the AFS will simulate the ON state. Using a jumper wire, ground AFS resistor to the chassis, see AFS Tech Notes.
    • Replace Air Flow Switch, if the Neon indicator lights and unit appears to work with the AFS disabled.
    • Replace Power Supply, if the Neon indicator does not light with the AFS disabled and no cells to short the output.
    • Neon problem, is not likely if test button does not spark. The neon lamp voltage should measure 125 vdc.

F50E F50A vs F50F F300 Difference

F50A F50E Series EAC

Choosing parts depends on the model and size. The F50A and F50E use the same chassis and were manufactured in 4 sizes.

The F50F and F300 have a revised chassis where the contacts for the cells are built-in to the power box. The F50F and F300 were manufactured in 5 sizes.

To determine your model, the photos show the difference is in the power box. The newer F50F-F300 have a full length power box because the contacts for the cells are built in to the power box.

The top-left photo shows the F50A and F50E. The F50A and F50E are identical except the F50E had been enhanced with an air flow sensor built in to the power box.

The bottom-left photo shows the F300 and F50F model. Note the F50F and F300 are identical except for paint color.

More info on the plasitic door version

The F300E was manufactured with a plastic access door from 2000 through 2005. This door and all parts are interchangeable with all F50F and F300. The plastic door was the same as used in the F200E without RF (AirWatch indicator).

Evolution of the F50 Power Supply

The F50A was introduced in 1972 and has evolved in to the current F300. The same collector cells that were used in the F50A are still used in the F300. Thus variations of the current F300 power supply are used as the replacements for the prior F50 models.

In 1972 the F50A had an analog power supply as shown bottom-left. Then in 1987 the F50E was released, The F50E was the same as the F50A but with a new electronic power supply that offered two new optional features. The F50E offers an optional remote indicator and an air flow switch.

In 1993 the F50F was introduced with an all new chassis. The F50F now has all the electronics, from a 120v cord to the contacts for the cells built-in to the power box. Now a simple power box swap was a sure fix.

In 1998 the F50F Series 2 was released with a new optional LCD remote indicator that replaced the prior LED indicator. Also the internal power box wiring was improved with molex plug connectors. The connectors simplified manufacturing and power box repairs.

In 2000 the F300 was introduced that was identical to the F50F but the paint color was changed to blue. The F300 now has post filters that will also slide in to the F50F.

In 2012 Honeywell radically redesigned their power supply. They are very flexible and universal for multiple applications. Also, they seem to have better power surge protection along with ground loop frequency insulator. The new power supply design have the series one LED + AFS connection as well as the series two connections.Evolution of the Honeywell F50 and F300 power supply

  • Hi-Resolution Photos
  • Electronic PS Introduction

F50A & F50E Series Parts Number List

DescriptionF50E
12½ x 20
F50E
16 x 25
F50E
20 x 20
F50E
20 x 25
Test Button137980A137980A137980A137980A
Collector CellFC37A1064FC37A1130FC37A1049FC37A1064
Cell Handle137266137266137266137266
Prefilter203372203371203373203372
Post-FilterNAPerm 16x25Perm 20x20Perm 20x25
Cell Key136518136518136518136518
Power Box 120v
PS1202B12JPS1202B12J
PS1202B12J
PS1202B12J
Power Box 240vPS2402B12JPS2402B12JPS2402B12JPS2402B12J
On-Off Switch199840199840199840199840
Power Supply
PS1201C02PS1201C01PS1201C01PS1201C01
Male PlugNA136366136366136366
Female PlugNA136364136364136364
Contact Board
Power Box
NA136414A136414A136414A
Contact Board
Junction Box
NA136415A136415A136415A
Contact Board
Collector Cell
138889A138889A138889A138889A
Cell Repair Kit4074EHG4074EHG4074EHG4074EHG
Ionizer Wire136434AA136434BA136434AA136434AA
Shorting Arm136387A136387A136387A136387A
Shorting Spring136517136517136517136517
Junction BoxNA136394B136394B136394B
Remote IndicatorW8600FW8600FW8600FW8600F
Hi-Voltage Wire
Red & Black
4074EMN
4074EMP
4074EMN
4074EMP
4074EMN
4074EMP
4074EMN
4074EMP
Airflow SwitchNANANANA
Access DoorNLANLANLANLA

Warranty on Replacement Parts

Honeywell Two Yeah Limited WarrantyThe Honeywell warranty for F50 Replacement Parts is 2 years from the date of purchase. Our customers simply need to ship us the defective part. We test and confirm defective. We then ship back a brand new part at no charge.

  • Limited 2 Year Warranty

Products [27]

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Honeywell Power Supply F50A F50E Two Cell 120v
(0)
Honeywell Power Supply F50A F50E Two Cell 120v
$139.00
Not for Sale.
Honeywell Power Supply Board for F50A F50E Single Cell
(0)
Honeywell Power Supply Board for F50A F50E Single Cell
$135.00
Not for Sale.
Honeywell Power Box Assembly for F50A F50E 12½x20
(0)
Honeywell Power Box Assembly for F50A F50E 12½x20
$180.00
Not for Sale.
Male Plug 2-Prong for Honeywell F50A F50E Power Box
(0)
Male Plug 2-Prong for Honeywell F50A F50E Power Box
$14.00
Add To Cart
Test Button Mounts in Door of F50A F50E F50F F300
(0)
Test Button Mounts in Door of F50A F50E F50F F300
$10.00
Add To Cart
Plastic Cell Handle for Honeywell FC37 Series Cell
(0)
Plastic Cell Handle for Honeywell FC37 Series Cell
$11.00
Add To Cart
Plastic Cell Key for Honeywell F50A F50E F50F F300
(0)
Plastic Cell Key for Honeywell F50A F50E F50F F300
$2.00
Add To Cart
Honeywell FC37 Series Collector Cell Contact Board
(0)
Honeywell FC37 Series Collector Cell Contact Board
$15.00
Add To Cart
Honeywell AirWatch Indicator for F50F F52F F300
(0)
Honeywell AirWatch Indicator for F50F F52F F300
$41.00
Not for Sale.
Commercial High Voltage Wire Red
(0)
Commercial High Voltage Wire Red
$2.00
Add To Cart
Honeywell Commercial High Voltage Wire Black
(0)
Honeywell Commercial High Voltage Wire Black
$2.00
Add To Cart
Honeywell Ionizer Wire for 20 inch Cells
(0)
Honeywell Ionizer Wire for 20 inch Cells
$16.00
Add To Cart
Honeywell Collector Cell F50A F50E F50F F52 F300 12½ x 20
(0)
Honeywell Collector Cell F50A F50E F50F F52 F300 12½ x 20
$295.00
Add To Cart
Honeywell Commercial Collector Cell F50 F300 F57 F90 12½ x 20
(0)
Honeywell Commercial Collector Cell F50 F300 F57 F90 12½ x 20
$295.00
Add To Cart
Honeywell 1000 cfm Electronic Air Cleaner 12½ x 20 240v
(0)
Honeywell 1000 cfm Electronic Air Cleaner 12½ x 20 240v
$466.00
Not for Sale.
Honeywell Prefilter Pair Commercial for F50A F50E 12½x19¾
(0)
Honeywell Prefilter Pair Commercial for F50A F50E 12½x19¾
$54.00
Add To Cart
Honeywell Remote Performance LED Indicator
(0)
Honeywell Remote Performance LED Indicator
$24.00
Add To Cart
Contact Board Mates with Cell for F50A F50E F59A F90 F70C F58C
(0)
Contact Board Mates with Cell for F50A F50E F59A F90 F70C F58C
$36.00
Add To Cart
On-Off Switch with Neon Light F50A F50E F52C F52D F52E
(0)
On-Off Switch with Neon Light F50A F50E F52C F52D F52E
$21.00
Add To Cart
Honeywell Air Flow Sail Switch SPDT
(0)
Honeywell Air Flow Sail Switch SPDT
$81.89
Add To Cart
1 2 Next Page View All

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