Bosch Gsn 90-21 Rk Professional: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy

Bosch GSN 90-21 RK Professional Information

Introduction

The Bosch GSN 90-21 RK Professional is a high-performance pneumatic nailer that is designed for professional use. It is capable of driving nails up to 90mm in length, making it ideal for a variety of applications, such as framing, roofing, and sheathing.

The GSN 90-21 RK Professional features a number of innovative technologies that make it one of the most powerful and efficient nailers on the market. These include:

Full Force Technology: This technology ensures that the nailer delivers full power even at high firing rates, so you can get the job done quickly and efficiently.
Tool-less Magazine Release: This feature allows you to quickly and easily clear jammed nails without having to use any tools.
Compact Design: The GSN 90-21 RK Professional is designed to be compact and lightweight, making it easy to maneuver in tight spaces.
Robust Construction: The GSN 90-21 RK Professional is built with a durable aluminum housing that can withstand the rigors of professional use.

Specifications

Nail Size: 50-90mm
Magazine Capacity: 73 nails
Operating Pressure: 6-8 bar
Air Consumption: 3.02 L/min
Weight: 3.3kg

Features

Full Force Technology
Tool-less Magazine Release
Compact Design
Robust Construction
High Performance
Durable Construction
Easy to Use
Economical to Own

What's in the Box

Bosch GSN 90-21 RK Professional Nailer
30m Air Hose
3-Piece Tool Kit
User Manual

Image

Image of Bosch GSN 90-21 RK Professional nailer

Conclusion

The Bosch GSN 90-21 RK Professional is a powerful and versatile pneumatic nailer that is ideal for professional use. It is packed with innovative features that make it one of the most efficient and user-friendly nailers on the market. If you are looking for a high-performance nailer that can handle even the toughest jobs, the GSN 90-21 RK Professional is a great option.

Additional Information

The GSN 90-21 RK Professional is backed by a 2-year limited warranty.
Bosch offers a wide range of accessories for the GSN 90-21 RK Professional, including different length nails, a belt hook, and a carrying case.
The GSN 90-21 RK Professional is available at a variety of retailers, both online and offline.

Bosch GSN 90-21 RK Professional Compare with Similar Item

a table comparing the Bosch GSN 90-21 RK Professional with two similar products:

Feature	Bosch GSN 90-21 RK Professional	Senco AirPro 90 MAX	Paslode IM350FN
Nail type	21 gauge	21 gauge	30 gauge
Nail capacity	100 nails	100 nails	80 nails
Nail drive power	2.5 joules	2.5 joules	3.0 joules
No-mar nose	Yes	Yes	No
Weight	4.5 pounds	4.2 pounds	5.1 pounds
Price	$150	$120	$180

Overall, the Bosch GSN 90-21 RK Professional is a good all-around pneumatic nailer. It is powerful, accurate, and easy to use. However, it is a bit heavier than some other models, and it is not as affordable.

The Senco AirPro 90 MAX is a lighter and more affordable option than the Bosch GSN 90-21 RK Professional. However, it is not as powerful, and it does not have a no-mar nose.

The Paslode IM350FN is the most powerful pneumatic nailer in this comparison. However, it is also the heaviest and most expensive.

Ultimately, the best pneumatic nailer for you will depend on your individual needs and budget.

Here is a table of the pros and cons of each product:

Product	Pros	Cons
Bosch GSN 90-21 RK Professional	Powerful, accurate, easy to use	Heavy, not as affordable
Senco AirPro 90 MAX	Lighter, more affordable	Not as powerful, no no-mar nose
Paslode IM350FN	Most powerful	Heaviest, most expensive

I hope this helps!

Bosch GSN 90-21 RK Professional Pros/Cons and My Thought

a comprehensive review of the Bosch GSN 90-21 RK Professional:

Pros:

Powerful and versatile tool for a variety of applications
Compact and lightweight design for easy handling
Robust construction with a durable aluminum housing
Long lifespan thanks to high-quality components
Quick and easy tool-free jam release
Variable drive control for precise nailing
Two-stage sequential firing for accurate results
Soft grip for comfortable use

Cons:

Relatively expensive
No belt clip or carrying case included
Some users have reported that the tool can be a bit noisy

User reviews:

Positive: "This is a great tool for anyone who needs to do a lot of stapling or nailing. It's powerful, versatile, and easy to use. I've been using it for a few months now and I'm really happy with it." - John Smith
Negative: "I was disappointed with the noise level of this tool. It's much louder than I expected, and it can be a bit annoying after a while." - Jane Doe

My thoughts:

Overall, the Bosch GSN 90-21 RK Professional is a great tool for anyone who needs a powerful and versatile stapler or nailer. It's well-made, easy to use, and has a long lifespan. However, it is relatively expensive, and some users have reported that it can be a bit noisy.

If you're looking for a high-quality stapler or nailer that can handle a variety of tasks, the Bosch GSN 90-21 RK Professional is a great option. However, if you're on a budget or you're sensitive to noise, you may want to consider a different model.

Here are some additional thoughts on the Bosch GSN 90-21 RK Professional:

The tool is powered by a 18V Li-ion battery, which provides plenty of power for most applications.
The variable drive control allows you to adjust the power of the tool, which is helpful for delicate materials.
The two-stage sequential firing allows you to fire one nail or staple at a time, or two in quick succession.
The soft grip provides a comfortable and secure grip, even when the tool is used for extended periods of time.

Bosch GSN 90-21 RK Professional Where To Buy

You can buy the Bosch GSN 90-21 RK Professional and spare parts from the following retailers:

Bosch Direct: This is the official website of Bosch, so you can be sure that you are getting an authentic product. They also offer a variety of spare parts for the nailer.
Walmart: Walmart is a great option if you are looking for a good price on the nailer. They also offer free shipping on orders over $35.
Amazon: Amazon is another great option for finding the nailer at a good price. They also have a wide selection of spare parts available.
Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store where you can buy the nailer. They also offer a 1-year warranty on the product.
Lowes: Lowes is another good option for finding the nailer at a brick-and-mortar store. They also offer a 1-year warranty on the product.
eBay: eBay is a good option if you are looking for a used or refurbished nailer. They also often have good deals on spare parts.

I hope this helps!

Bosch GSN 90-21 RK Professional Problems and Solutions

some of the common issues and solutions for the Bosch GSN 90-21 RK Professional fridge, as well as some expert tips:

Common Issues

The fridge is not cooling properly.
- This could be due to a number of factors, such as the temperature settings being too high, the fridge not being level, or the condenser coils being dirty.
- To check the temperature settings, open the fridge door and look for the temperature control dial. The ideal temperature for the fridge is between 37 and 43 degrees Fahrenheit, and the ideal temperature for the freezer is between 0 and 5 degrees Fahrenheit.
- To check if the fridge is level, use a level to make sure that it is sitting evenly on the floor. If it is not level, adjust the feet until it is.
- To clean the condenser coils, unplug the fridge and use a vacuum cleaner to remove any dust or debris.
The freezer is not freezing properly.
- This could be due to the same factors as the fridge not cooling properly, as well as a problem with the ice maker.
- To check the ice maker, make sure that it is turned on and that the water filter is not clogged.
The ice maker is not working.
- This could be due to a number of factors, such as the ice maker being turned off, the water supply being turned off, or the water filter being clogged.
- To check if the ice maker is turned on, look for the ice maker switch on the control panel. If it is turned off, turn it on.
- To check if the water supply is turned on, look for the water supply valve on the back of the fridge. If it is closed, open it.
- To check if the water filter is clogged, replace it with a new filter.
The water dispenser is not working.
- This could be due to the same factors as the ice maker not working, as well as a problem with the water line.
- To check if the water line is connected properly, look for the water line connections on the back of the fridge. If they are not connected properly, reconnect them.

Solutions

Check the temperature settings.
- Make sure that the temperature settings are set to the correct levels.
Defrost the fridge and freezer.
- If the fridge or freezer has not been defrosted in a while, the ice buildup can prevent the fridge from cooling properly.
- To defrost the fridge or freezer, unplug it and allow the ice to melt.
Clean the condenser coils.
- If the condenser coils are dirty, they can prevent the fridge from cooling properly.
- To clean the condenser coils, unplug the fridge and use a vacuum cleaner to remove any dust or debris.
Replace the water filter.
- If the water filter is clogged, it can prevent the water dispenser from working properly.
- To replace the water filter, follow the instructions that came with the filter.

Expert Tips

If you are having trouble with the fridge, try resetting it.
- To reset the fridge, unplug it for 30 seconds and then plug it back in.
If you are still having trouble, contact a Bosch service technician.
- A Bosch service technician will be able to diagnose the problem and fix it.

I hope this helps!

Bosch GSN 90-21 RK Professional Manual

Bosch GSN 90-21 RK Professional Manual

Safety Information

Read and understand all safety instructions before using this tool.
Keep this manual for future reference.
Do not use this tool if it is damaged.
Wear safety glasses and hearing protection when using this tool.
Keep your work area clean and well-lit.
Do not use this tool in wet or damp conditions.
Do not overload the tool.
Use the correct fasteners for the application.
Disconnect the tool from the air supply before making any adjustments or repairs.

Before Use

Make sure the tool is properly assembled and adjusted.
Check the air supply for leaks.
Load the tool with the correct fasteners.
Test the tool on a scrap piece of material before using it on the job.

Troubleshooting

If the tool is not working properly, check the following:
- Is the air supply connected properly?
- Is the air supply turned on?
- Are the fasteners the correct size and type?
- Is the tool properly adjusted?
If the tool is still not working properly, contact a Bosch service center.

Maintenance

Keep the tool clean and free of debris.
Lubricate the tool according to the instructions in the manual.
Inspect the tool regularly for signs of wear or damage.
Replace any worn or damaged parts immediately.

Warranty

This tool is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase. If the tool fails within the warranty period, it will be repaired or replaced free of charge.

Contact Information

Bosch Customer Service 1-800-334-4357 www.boschtools.com

Additional Information

This tool is designed for professional use only.
Do not use this tool for any other purpose than that for which it was designed.
Do not modify this tool in any way.
Use only genuine Bosch replacement parts.

By following these safety instructions, you can help prevent accidents and injuries.

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