B800 - Office chair BOSS - Free user manual and instructions
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| Product Type | Office chair |
| Brand | BOSS |
| Model | B800 |
| Chair Style | Ergonomic mid-back office chair |
| Frame Material | Reinforced nylon and steel |
| Upholstery Material | Breathable mesh backrest with padded fabric seat |
| Armrests | Height-adjustable padded armrests |
| Adjustable Features | Seat height, tilt tension, and tilt lock |
| Mechanism | Synchronized tilt mechanism |
| Base | 5-star base with 60 mm casters |
| Gas Lift | Class 3 gas lift (8 cm travel) |
| Maximum Weight Capacity | 150 kg |
| Seat Dimensions | 50 cm (W) x 47 cm (D) |
| Backrest Dimensions | 45 cm (W) x 58 cm (H) |
| Overall Height Range | 94–102 cm |
| Net Weight | 18 kg |
| Assembly Required | Yes, simple assembly with included tools |
| Cleaning Instructions | Wipe with a soft, damp cloth and mild detergent |
| Spare Parts | Available through BOSS customer service |
| Warranty | 2-year limited warranty |
Frequently Asked Questions - B800 BOSS
How do I assemble the BOSS B800 office chair?
Unpack all parts and follow the manual. Secure the seat to the gas lift, attach the backrest, then install armrests and the base with casters. Use the included Allen wrench. Assembly takes 15–20 minutes.
Can I adjust the seat height?
Yes, use the lever under the seat to activate the gas lift and adjust the height from 94 to 102 cm.
What is the maximum weight capacity?
The B800 supports up to 150 kg, making it suitable for most users.
How do I clean and maintain the chair?
Clean the mesh and fabric with a soft vacuum or damp cloth. Avoid harsh chemicals. Check casters and gas lift periodically for tightness.
Can the armrests be adjusted?
Yes, the armrests are height-adjustable using a push-button mechanism.
Is the chair suitable for tall users?
With a backrest height of 58 cm and adjustable seat height, it suits users up to 1.95 m.
What tools are needed for assembly?
Only the included Allen wrench is required. No additional tools are needed.
Does the chair recline?
Yes, it features a tilt mechanism with adjustable tension and lock position.
Are spare parts available?
Yes, you can order spare parts from BOSS customer service. Common parts include casters, gas lifts, and armrests.
How does the tilt tension adjustment work?
Turn the knob under the seat to increase or decrease recline resistance. This lets you adapt to your weight and comfort.
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USER MANUAL B800 BOSS
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Product information
Brand : BOSS
Model : B800
Category : Office chair