Dynamic Fluid Fitness M550 Commercial Water Rowing Machine, 10-Level Side-Mounted Twin Tank, Bluetooth Monitor, Elevated Seat, 330 lb Capacity

The Dynamic Fluid Fitness M550 is the brand's commercial-duty water rower, built for health clubs, studios and gyms where the machine runs all day. Its layout differs from a conventional water rower in two ways: the twin-chamber tank is mounted beside the rail rather than in front of it, which keeps the frame to 77 in long, and the seat sits at roughly office-chair height, so getting on and off does not require lowering yourself to the floor. The result is a rower that takes less floor space than most and suits users with limited mobility as well as athletes.

Resistance comes from the water itself, with a ten-position adjustable selector on the tank that changes how much water the impeller works against; the catch is immediate and the resistance stays continuous through the stroke, and rowing harder at any setting produces more resistance. The tank uses a double-sealed, precision-aligned shell and an impeller design the manufacturer rates at 15 percent more resistance than its earlier models. A belt drive with an active recoil system keeps the return quiet.

The Bluetooth auto-adjust performance monitor reads the tank setting automatically and displays time, speed, distance, stroke rate, calories per hour, watts and the current level, with a built-in heart rate receiver for standard chest straps and a Bluetooth link to the Fluid Workout app. The contoured, textured seat rides on concealed low-friction rollers along hardened dual-anodized aluminum rails. Footplates adjust for height with a heel cradle and straps, the handle is molded for an even grip, and the steel-and-aluminum frame sits on rubber feet with concealed transport wheels for moving. The M550 weighs 136 lb, supports users up to 330 lb, and stores upright in a 34 x 32 in footprint.

Resistance and drive

• Side-mounted twin-chamber water tank with 10-position resistance selector
• Double-sealed, precision-aligned tank shell
• Belt drive with active recoil system

Monitor

• Bluetooth auto-adjust performance monitor with automatic resistance detection
• Displays time, speed, distance, stroke rate, calories per hour, watts and resistance level
• Built-in heart rate receiver, compatible with standard chest straps
• Bluetooth connection to the Fluid Workout app

Frame and comfort

• Black-finished steel and aluminum frame on rubber feet
• Elevated contoured seat with textured surface on concealed low-friction rollers
• Hardened dual-anodized aluminum seat rails
• Height-adjustable footplates with heel cradle and straps
• Molded handle
• Concealed transport wheels; stores upright

Dimensions and weight

• In use: 77 in L x 32 in W x 34 in H (1950 x 810 x 860 mm)
• Upright storage: 34 in x 32 in
• Recommended clearance: 124 in x 79 in
• Weight: 136 lb (shipping weight 158 lb)
• Maximum user weight: 330 lb

Warranty (commercial use)

• Frame 5 years; fluid tank 2 years; mechanical and non-wearing components 2 years; wearing components 1 year