Core Blower Replacement Procedure - 4100 Series

NOTE: Both Core Blowers must be replaced for proper operation. The procedure for replacing the core blowers varies by model year.

Before SN: 201074328013484

Part Number: 1021037R-240

fasco core blower for units built before january 1st 2007

p-tech core blower for units built before january 1st 2007

After SN: 201074328013484

Part Number: 1021035R

fasco core blower for units built after january 1st 2007

p-tech core blower for units built after january 1st 2007