Retrofitting Monitors to Older Indoor Rowers

Improve your workouts by updating the monitor on your indoor rower to a PM4 or PM3, while supplies last. Refer to the following table for pricing, features, and retrofit instructions.

Looking to retrofit a PM5 to your indoor rower? Please stay tuned! A PM5 retrofit monitor will be available in the coming weeks.

  PM4 Retrofit Monitor PM3 Retrofit Monitor
Price $280.00 plus shipping (US and Canada only) $150.00 plus shipping (US and Canada only)
Availability and Part Numbers Model D: PN 1966
Model C: PN 1967
Model B: PN 1968
Model A: PN 1969
Not sure which model you have? We can help
Model C: PN 1879
Model B: PN 1881
Model A: PN 16
Not sure which model you have? We can help
Purchase Includes
  • PM4 Monitor
  • Garmin Comfort Chest Belt (will fit chest sizes 25"–45")
  • LogCard
  • USB Cable
  • Mounting Hardware
  • PM3 Monitor
  • LogCard
  • USB Cable
  • Mounting Hardware
Power Generation Two D cell batteries or AC adapter
Notes:
  • When retrofitting a PM4 to a Model D manufactured from August 2003–November 30, 2006, you will power the PM4 while you are rowing; this provides supplemental power to extend battery life but does not recharge the batteries.
  • When retrofitting a PM4 on Models C, B, or A, two D cell batteries or an AC adapter are required.
Two D cell batteries or AC adapter
Retrofit Instructions PM4 Retrofit Model D
PM3/PM4 Retrofit C
PM4 Retrofit Model B
PM4 Retrofit Model A
PM3/PM4 Retrofit C
PM3 Retrofit Model B
PM3 Retrofit Model A