If replacing an analog board:
If your old board had a dial with the high/medium/low settings: Part # A-E-057KIT
(Upgrade Kit from Analog to 1 RPM Control Board with 4 Speeds)
| Model | Serial Number |
| P22 | All Units |
| P23 Sonora | Prior to 1999 |
| P23i Sonora Insert | #2243 to Present |
| P24 Blazer | #53664 to Present |
| P24i Blazer Insert | # 53795 to Present |
| P2000 Tahoe | #11,780 to Present |
| P200i Tahoe Insert | #22208 to Present |
| Big E (P1000) | All Units |
If your old board had a dial with the “Low, B, C, D, E, Max” settings: Part # A-E-950KIT
(Upgrade Kit from Analog to 4 RPM Control Board with 5 Speeds)
| Model | Serial Number |
| P20 Cadet | All 1991 Models |
| P23 Sonora | Up to #7165 |
| P23i Sonora Insert | Up to #2242 |
| P24 Blazer | Up to #53663 |
| P24i Blazer Insert | Up to # 53794 |
| P26 Cadet | All Units |
| P32i | All Units |
| P2000 Tahoe | Up to #11,779 |
| P200i Tahoe Insert | Up to #22207 |
| P2700 Mojave | Up to #7899 |
Note: Unfortunately, there are no new circuit boards available for the P28.
If replacing a digital board:
Digital 1 RPM Control Board with 4 Speeds & 1 RPM Auger Motor: Part #A-E-101
| Model | Serial Number |
| P22 Maverick | All Units |
| P22i Maverick Insert | All Units |
| P4000 Classic Cast | All Units |
| P23 Sonora | *If old board has 4 speeds |
| P23i Sonora | *If old board has 4 speeds |
******* Some units have 5-speeds & use part number A-E-301*
Digital 4 RPM Control Board with 5 Speeds & 4 RPM Auger Motor: Part Number #A-E-301
| Model | Serial Number |
| P23 Sonora | Up to #7165 **If old board has 5 speeds |
| P23i Sonora Insert | Up to #2242 **If old board has 5 speeds |
| P24 Blazer | Up to # 53663 |
| P24i Blazer Insert | Up to #53794 |
| P2000 Tahoe | Up to #11779 |
| P2000i Tahoe Insert | Up to #22207 |
| P2700 Mojave | Up to #8444 |
| P20 Cadet | *IF you have upgraded to a digital board |
| P26 Cadet | *IF you have upgraded to a digital board |
| P32i Cadet | *IF you have upgraded to a digital board |
******* Some units have only 4-speeds & use part number A-E-101*