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Emerson Electro-Air   Electro-Air Genuine Parts
  White-Rodgers Emerson

Emerson Electro-Air PWM Parts Buy a New PWM
No Description PWM
20X12A-410
1 Blower Assembly F848-0364
2 Indicator Light F844-0145
3 Variable Speed Switch F876-0198
5 Interlock Safety Switch F876-0199
7 Power Supply F858-0809
8 Charcoal Filter 14 x 7 x 5/16 F825-0412
9 Collecting Cell F811-0380
11 PreFilter 14 x 7 x 5/16 F825-0413
13 Ionizing Wire 12 inch F843-1241
Cell Contact - Front F801-0172
Cell Contact - Rear F801-0173

This parts drawing is from the PWM Owners Manual.
Blower Assembly F848-0364 Indicator Light F844-0145 Variable Speed Switch F876-0198 Interlock Safety Switch F876-0199 Power Supply F858-0809 Charcoal Filter F825-0412 Collecting Cell F811-0380 Prefilter F825-0413 Ionizing Wire F843-1241 Ionizing Wire F843-1241 Collecting Cell F811-0380 Prefilter F825-0413 Variable Speed Switch F876-0198 Indicator Light F844-0145 Charcoal Filter F825-0412

Owners Manual (print and save)

PWM Owners Manual Technical Repair Guide, Exploded Parts Drawing, AHAM Rating, Operation, Maintenance. (870k pdf, 10 pages)
Collector Cell WashingCell Washing Instructions By White-Rodgers Engineering. (1 page pdf)

Cross Reference

Electro-Air Cross Reference Lookup part numbers using model numbers from Emerson, Electro-Air, Rheem, Thermo-Flo, Mountain Air, Lennox, Grainger, Williamson, Whirlpool, Dunham Bush, Meyer, Thermo Pride, Ruud, Rheem. (101k pdf, 19 pages)

A to F Cross Reference Manufacturing codes are stamped in black ink and start with the letter A, such as A811-0318. Whereas the Electro-Air part numbers start with F, such as F811-0319. (97k pdf. 11 pages)

Sears Cross Reference Sears part number cross reference. Look up part numbers from Sears model numbers 281.48311 through 387.849210 (38k pdf, 5 pages)

Power Supply

Power Supply Tech Notes Test procedure for a power supply similar to the PWM's F858-0809. (150k pdf, 2 pages)
Tech note has photo of the new and old supply

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