KAB K4 Premium Heavy Duty Fabric Chair with Headrest


• Heavy duty 24 hour use
• Max Weight Capacity 31 stones
• Robust Steel Frame
• Air Lumbar Support
• Seat Slide
• Backrest Angle Adjustment
• 2 Years guarantee
• FREE DELIVERY to UK mainland*
• Estimated delivery 4 weeks
• Need advice? Call us on 01905 795955

Please Note – This chair is made to order and is non returnable



Designed and engineered for heavy duty 24 hour work environments such as control rooms, call centres and CCTV Traffic control. Used by emergency services and for 24 hour surveillance.

• Air lumbar support
• Seat Slide from 430-480mm
• Backrest angle adjustment to 16 degrees
• Robust steel frame
• Contoured cushions

Usage: 24 Hours / day

Maximum User Weight: 200kg / 31st

Manufacturers Guarantee: 2 Years

Delivered with the back, seat and tilt mechanism pre-built with minor assembly required for the base.

Additional information

Trim Colours

Black (Havana) Fabric, Charcoal (Storm) Fabric, Dark Blue (Costa) Fabric



• Material: Fabric
• Colour: Dark Blue / Black / Charcoal
• 5 Star Base
• Crib 5 Foam & Fabric: No
• Back Type: High
• Armrests: Yes
• Headrest: Yes

Movements and Adjustments:

• Headrest: Yes
• Headrest Adjustable for Height and Tilt: Yes
• Armrests Angle Adjustable: Yes
• Armrests Removable: No
• Armrests Folding: Yes
• Lumbar Support Air Adjustable: Yes
• Lumbar Support Integral: No
• Permanent Contact Backrest: No
• Back Height Adjustable: No
• Back Angle Adjustment: Yes
• Independent Seat and Back: Yes
• Seat Slide: Yes
• Seat Cushion Length Adjustment: Yes
• Seat Angle Adjustment: Yes
• Anti-kick: Yes
• Gas Lift Height Adjustment : Yes
• Synchronised Tilt Mechanism: Yes
• Auto Tilt Tensioner: No
• Tilt Tension Adjustment: Yes
• Infinite Lock Mechanism: No
• Knee Tilt: No
• Lock Rocker Adjustment: Yes


• Seat Base (mm): W490 x H460-560 x D430-480
• Seat Back (mm): W490 x H930
• Arm Width (mm): TBA
• Arm Height (mm): TBA

204183 / 204096 / 204091


Free UK Mainland Delivery

FREE DELIVERY applies to our standard delivery for office chairs for most UK mainland areas excluding Scottish Highlands.

Surcharges apply to the Scottish Highlands and Islands, Isle of Man, Northern Ireland, Republic of Ireland, Isle of Wight, Isles of Scilly, Guernsey and Jersey. Delivery may take longer. Contact us for details.

Delivery is not available to areas outside the UK.


  • Stock items are usually dispatched within 24 hours of your confirmed order (Mon-Fri) All stock items are subject to availability. If your requirement is urgent please call us on 01905 795955 so we can check the stock levels for you.
  • Bespoke fabric items from our fast track range typically take 3-5 working days to prepare prior to despatch subject to availability.
  • Built to order items have estimated lead times shown on the product page. If your requirement is urgent please call us on 01905 795955 so we can check with the factory to see if it is possible to fast track your order.



  • Standard delivery is usually made via courier 3-5 working days after dispatch, during working hours, Monday to Friday (excluding bank holidays). Delivery is to ground floor main entrance of your premises, drivers are not insured to enter your property. Sorry we cannot arrange a specific delivery time.
  • All items must be signed for on delivery (please sign as ‘Unchecked’)
  • Damages – Unfortunately damages can happen in transit. If this happens please sign for the goods as ‘damaged’ and send us an email as soon as the item is received to sales@comfyseating.com or call 01905 795955. Please attach a photo of the damage to your email within 24 hours of delivery. We will arrange to have the damaged item collected and replaced or refunded at our discretion..
  • Standard delivery is ‘flatpack’(unless specified).


Pre-build service

Why not choose to have your chair delivered already assembled? Our swivel chairs arrive flat packed and ready for minimal assembly. If you prefer we can pre-assemble the chair, conduct a final quality assurance check, so it can be delivered ready for use. Our optional pre-build service is available when you order for an additional charge.


If you have changed your mind you can return your chair for a refund if we are notified within 7 days of delivery (subject to the goods being unused, in original condition and original packaging). We will issue you with a returns number and arrange the collection. The goods must be kept safe, secure and made available for the courier to collect. After receiving the goods we will provide a refund less the cost of carriage and this may be subject to a restocking fee. Please note products made to order, bespoke or personalised are not eligible for return or refund.

Fabric Samples

Fabric images on our website are displayed as a guide and colour variations may occur due to the screen type you use to view them.

We want you to be completely happy with your choice and advise you order fabric samples before ordering your chairs as chairs that are built to order are not eligible for return or refund.

You can order fabric sample swatches of our KAB range here

£0.00 Excl. VAT (£0.00 Inc. VAT)Add to basket

Next go to your basket, proceed to checkout and select Bank Transfer (as there is no charge for sample swatches or delivery, the order value will be zero and no payment is required).

You will receive all four fabric samples:-


Please allow 5-7 days for Royal Mail delivery (approx.)

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