Marnur Air and Magnetic Rower

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Marnur Rower

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300 lbsAir &
16 levels
2 years

The Marnur air and magnetic rower is one of the models released in 2020. In terms of features, it can be compared with the Sunny SF-RW5983, but its fitness monitor does not have pre-set programs. Also, it has a monorail system, not dual rails. It’s a fairly decent machine for home use, though, and costs considerably less than a similar commercial rower.

Key Features and Specifications

  • Assembled dimensions: 87.9L x 21.7W x 34.8H inches (223L x 55W x 88H cm)
  • Assembled weight: 83.77 lbs (39.8 kg)
  • Weight capacity: 300 lbs (136 kg)
  • Frame: Steel & aluminum
  • Resistance: Air & magnetic, 16 levels
  • Fitness monitor: Time, distance, RPM, watts, count, t-count, calories
  • Warranty: 2 years limited

Frame construction

The Marnur air & magnetic rower features a frame made mostly from steel tubing. However, it also integrates plastic and aluminum parts. For example, the two side tracks of the monorail are made of extruded aluminum for long-term durability and a smooth seat movement. Also, the covers of the magnetic brake system and several other small covers are made of durable thermoplastic material.

All the steel parts in the rower’s construction have a black paint finish, including the cage of the fan, and the fan itself (the fan is also steel-made). The plastic parts are black as well, to match the rest of the rower. The two aluminum tracks of the monorail are not painted; they have their natural polish.

The fully assembled rower is fairly large. It is approx. 87.9″ (223 cm) long, and 21.7″ (55 cm) wide. This being said, it may not fit too well in a small room, considering that you should also leave at least two feet of clearance at the rear and on each side of the rail. But on the other hand, the rail can be folded up. With the rail in folded position, the machine’s length is reduced to 46.5″ (118 cm), while its height becomes 59.7″ (152 cm).

The machine’s rail is fairly long and the two footrests are placed a few inches past the connection between the rail and the front part of the frame. Therefore, the applicable user inseam for it is 45.3″ (115 cm). Differently put, the machine should be able to accommodate users up to 6’5″ (196 cm). It is also rated for a maximum user weight capacity of 300 lbs (136 kg).

The rail is not completely horizontal. It has an incline of approx. one degree. This means that the rower provides a bit of extra workout for the legs during the push phase.

Last but not least, the rear stabilizer is equipped with two adjustable levelers. The middle base also has an adjustable leveler in case you have to stabilize it when it is in folded position. The front base bar of the machine rests on two rubber pads and integrates two transport wheels that facilitate the relocation of the unit, if necessary.

Seat and handlebars

The Marnur air & magnetic rower features a seat similar to the one included with the Sunny Hydro SF-RW5910. Its top is made of high-density foam for optimal comfort. It has a textured and contoured surface for added stability. It is approx. 14″ (36 cm) wide, and 11 (28 cm) deep, so it provides plenty of contact surface.

The base frame of the seat is made of steel. It integrates three sets of wheels. Two of them slide on top of the aluminum tracks of the rail, while the third slides underneath for added stability. The wheels are equipped with sealed ball bearings for a smooth seat motion. They also have a silicone rubber coating for reduced noise.

As we’ve mentioned above, the machine’s rail is not perfectly horizontal. It is a little higher at the rear. Thus, when extended all the way to the back, the seat stands at approx. 16″ (40.6 cm) above floor level.

This Marnur rower is equipped with two pivoting footrests. This design allows them to tilt on their axis when you row, in order to adapt better to the position of your feet. They have a metallic rod as a stopper at the heel, though, so they won’t tilt backward past approx. 60°.

The machine’s footrests are made of durable thermoplastic material. They have a textured surface, heel guards, and adjustable straps for improved foot stability. Their size is non-adjustable but they are large enough to accommodate athletic footwear of all sizes.

The pulling handle is a simple, straight bar. It has rubber-foam sleeves for an improved grip. It’s attached to the machine’s resistance system via a heavy-duty, braided nylon strap, highly-resistant to stretching and abrasion.

Resistance system

This Marnur rowing machine combines air and magnetic resistance elements. The main resistance generator is the multi-blade fan visible at the front of the rower. As you pull the handle, the fan spins and generates air resistance.

As is the case for any air resistance rower, the fan generates a dynamic response during usage. In other words, if you pull faster, the fan will also spin faster which increases the rowing difficulty. This resembles up to a point the rowing of a real boat through the water.

Along with the air resistance system, the rower also integrates a magnetic brake and a small internal flywheel. The brake is connected to the tension knob visible on the front unit of the machine. By turning this knob clockwise, the magnetic brake moves closer to the metallic flywheel which increases the overall resistance provided by the machine.

There are 16 difficulty levels marked on the tension knob. The first one delivers little extra resistance; on this setting, you will basically work only with the resistance generated by the fan. Conversely, the 16th tension level provides noticeable extra resistance, great if you want to undergo a more intense workout.

Since the magnetic brake is manual, you don’t need a power adapter for the rower, or an external power source. But on the other hand, the fitness monitor cannot adjust the resistance automatically.

Fitness monitor

The Marnur rower includes a fitness monitor that offers a few features more than the average basic unit. To begin with, it has an LCD display divided into 5 sub-sections in order to show up to 5 workout metrics simultaneously. It tracks time, distance, stroke count, total strokes, RPM, watts, and calories burned. From left to right, the lower small windows of the display shows time/tcount, distance/watts, and calories/temperature. The left side of the larger window indicates RPM and count, while for the larger section in the middle you can select and of the workout metrics by using the Mode button.

The distance is shown in miles. Although the right bottom window of the monitor is reserved to pulse, the unit does not have a pulse reading function and the rower does not integrate any pulse sensors.

The monitor unit is battery-powered. It requires two AA batteries which are included. It starts up when you begin rowing and also has an idle mode to which will enter if it does not detect any activity on the machine for a few minutes. In idle mode, it indicates room temperature.

Assembly and Maintenance

The front section of the rower with the air and magnetic resistance elements comes pre-assembled. You only need to insert the seat on the rail, connect the rail to the front unit of the rower, add the rear stabilizer, the footrests, and the performance monitor. This shouldn’t take more than 40-50 minutes. All the necessary tools are included. Also, the manual provides clear assembly instructions.

For maintenance, it is recommended to keep the machine’s rail clean to prevent any damage to the wheels. If the fan accumulates dust, you should be able to vacuum it from the outside without taking the cage apart. Other than this, it is recommended to periodically inspect the machine to make sure that all the parts still function correctly.

The Pros

  • Sturdy construction – can hold users up to 300 lbs (136 kg);
  • Folding frame;
  • Adjustable levelers on the rear stabilizer and mid base;
  • Transport wheels on the front stabilizer;
  • Dual rail system for improved stability;
  • Long rail for users with an inseam up to 45″;
  • Pivoting footrests with heel guards and adjustable straps;
  • Padded and contoured seat;
  • Air resistance for a natural, dynamic response during rowing;
  • 16 levels of magnetic resistance;
  • Multi-window fitness monitor that tracks time, distance, RPM, watts, count, total count, and calories;
  • Very quiet for an air resistance rower;
  • Easy to assemble;
  • All the necessary assembly tools are included;
  • Little maintenance required.

The Cons

  • No online connectivity;
  • No pulse reading function;
  • The fitness monitor does not have backlight.


The Marnur air and resistance rower is a cardio training machine made for home use. It is equipped with a large fan for dynamic air resistance, and with a 16-level magnetic brake. It features a long rail with a weight capacity of 300 lbs and also has a folding design. It’s a fairly decent rowing machine, great for a full-body cardio workout, muscle toning, stamina development, and weight loss.

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