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Equipment Manuals & Assembly Videos

Need guidance on how to assemble your premium MERRITHEW™ equipment? Below you’ll find a series of manuals which include assembly instructions, safety, warranty, care & maintenance information for some of our most popular items. For further questions & support, please contact our Customer Service Team at



Reformer Accessories

Replacement Parts

  • Roller Replacement
    Replacement Video
  • Rope Replacement
    Replacement Video  | Owner's Manual
  • Spring Holder Upgrade Kit
    Replacement Video
  • Spring Replacement
    Replacement Video  | Owner's Manual

Halo Trainer

Stability Balls

  • Halo Trainer Stability Ball
    Ball Inflation Video
  • Mini Stability Ball
    Ball Inflation Video
  • Stability Ball
    Ball Inflation Video
Add the embed code here for the fourth assembly video. Be sure this Content Block has the "video-popout" class assigned.

The order of the videos that appear in this section matches the order in the list in Stability Balls.