Senza Ergo 24 Hour Task Chair
Fabric, in black or blueCode SXERGOB-BLK
Offer
Was £268.95 ex VAT
Save £81.00
How it works
Hover over a card, or tap it, to see how it works.
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Seat Height
Lift the lever under the seat. Take your weight off to go up, sit down to go down. Let go to fix it.
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Seat Slide
Lift the lever at the front and slide the seat in or out. Leave a 2–3 finger gap behind your knees.
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Inflatable Lumbar
Squeeze the pump to inflate the cushion in the backrest for firmer support. Press the release valve to let air out.
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Tilt Multiple Positions
Pull up the lever to unlock, lean back to the angle you like, then push it down to lock it there.
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Independent Back Tilt
Lift the lever and push the backrest to the angle you want, the seat stays put. Push down to lock the back.
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Independent Seat Tilt
Lift the lever to tilt the seat back, push down to lock in position.
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Manual Tension Control
Turn the knob under the seat. Turn to + for a firmer rock, − for a softer, easier lean.
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Height Adjustable Arms
Press the button under the armrest and move it up or down.
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Heavy Duty
Built and tested for people up to 150 kg (about 23½ stone), extra-strong frame, base and gas lift.
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24 Hour Use
Built for round-the-clock use shift work, control rooms and call centres.
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5 Year Warranty
5 years of cover on every part, if a component fails through a manufacturing fault, we’ll sort it.
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BS 5459
Tested to BS 5459 — the tougher British standard for heavy-duty office chairs: users up to 150 kg (about 23½ stone) and use up to 24 hours a day.
A heavy duty extra high back task chair built for 24 hour use, with an inflatable lumbar pump and adjustable arms. Tested to BS 5459 for users up to 150kg.
Key features
- Fabric, in black or blue
- Inflatable lumbar pump
- Back height adjustment
- Back angle adjustment
- Seat depth adjustment
- Weight tension control
- Gas lift seat height adjustment
- Height adjustable arms
Specification
| Overall width | 670mm |
|---|---|
| Overall depth | 650mm |
| Overall height | 1050 to 1180mm |
| Seat width | 520mm |
| Seat depth | 500mm |
| Seat height | 470 to 600mm |
| Back height | 600mm |
| Arm height from floor | 650 to 850mm |
| Maximum user weight | 150kg |
| Standards | BS 5459-2:2000+A2:2008 |
Delivery and assembly
- Flat-packed (self assembly): delivered within 3 working days. Contact us if you have a preferred date.
- Delivery £7 flat-packed, or no delivery charge if fully assembled. Free delivery on orders over £500 ex VAT.
- Fully assembled: choose Fully assembled above (+£25 ex VAT), delivered ready to use within up to 10 working days.
Returns
Items can be returned within 14 days in their original packaging. A return fee of 30% of the item price applies, so you receive 70% back (for example, £70 back on a £100 item).
Warranty
5 year structural manufacturer's warranty.



















































































































































































































































































































































