Available in black, navy and royal blue.
Black armrests, black frame underneath. Adjustable in height and width. Rotating. Armrest height above seat 215-295 mm.
Adjustable in height, depth and width. Armrest height above seat 215-295 mm.
Adjustable height, depth and sideways position. Single arm option also available.
The neckrest is padded and height adjustable and benefits the user by providing support for the neck and head when relaxing.
XL Seat - 485(w) x 515(d) mm - suitable for larger users.
Coccyx relief recess cut out for injured coccyx.
Comes as standard with this chair.
Same gas stem as the standard gas stem, but all in black.
Suitable for taller users.
Same gas stem as the high has stem, but all in black.
Choose between the silver graphite or black aluminium footbase.
Hard wheel castors suitable for carpets.
Soft wheel castors suitble for hard floor.
Optional coat hanger - requires neckrest.
Add a memory foam seat pad for extra comfort.
CMHR (Combustion Modified High Resilient) foam is used when the strictest fire code standards are required, such as in hotel lobbies, hospitals, schools, mass transit (airplanes, buses). The foam has a high density which helps it last a long time. Fire retardant chemicals in the foam give the texture a grainy feel.
The RH Logic 400 is perfect for both remedial and preventative back care solutions, as well as 24/7 use in control rooms.
Based on the unique 'two-point principle' of upright posture and active sitting, the chair improves breathing and circulation, and stimulates the muscles. The one to one tilt action ensures that lower back support remains constant, whatever position the user sits in.
The RH Logic 400 has a high backrest and comes as standard with lumbar pump, seat slide, castors for carpeted floors, base in graphite aluminium and Gaja fabric.
The RH Logic 400 can also be enhanced with optional extras including armrests, extra large seat, neckrest and coccyx cut-out seat.
The estimated lead time for this item is displayed towards the top of the page, under the short description.
Unfortunately we're experiencing unexpected issues with our logistics partner, and deliveries may be delayed slightly. All orders will be processed in the order they are received.
If you have any questions, please feel free to contact our customer support team. We appreciate your patience and are doing our best to deliver all orders on time.
We will deliver the item(s) using a standard courier service. You are responsible for the assembly and set up. We will provide assembly and set up videos and instructions to guide you through the process. See our delivery charges ›
Our delivery partners will have you comfortably set up and familiarised with your products at the time of delivery. They’ll also take away and recycle the packaging. This option can be selected in the shopping basket page. Find out more about our delivery and installation service ›
The recycling service can be added onto the delivery, installation, set up and support option at an additional cost. Choose this option if you would like your old chair or desk taken away when your new one is delivered. This option can be selected in the shopping basket page. Find out more about product removal and recycling ›
We offer a 30 day return policy on this item, providing the item is not damaged and standard options have been ordered. You must first phone the office to obtain a Returns Note and Number. The goods must be returned during business hours, carriage paid, in perfect condition in their original packaging, with the Returns Note enclosed.
For more detailed information on our returns policy and any right you have to return goods under the Consumer Contracts Regulations 2013, please visit our 'Returns and refunds' page, accessed from the footer.
Please note, non-standard options such as a coccyx cut-out or memory foam seat are non-returnable. For more information, contact us on +44 (0) 345 345 0010.
There is a row of 3 buttons on the right hand side of your Logic 400. Lift the middle button to adjust the backrest angle. Release the button to lock in place. The angle should be set so that your back makes contact with the backrest.
Sometimes, over time, the gas stem can become a little stiff when trying to adjust the height. A quick and easy fix for this is using WD-40 or Vaseline. Apply a light layer of grease to the gas stem, then try adjusting the gas stem 3-4 times. The gas stem should now adjust easily.
There is a row of 3 buttons on the right hand side of your Logic 400. Lift the button furthest back on the right hand side. About four fingers width between the front edge of the seat and the hollow of the knee provides good blood circulation.
On the back of the RH Logic backrest is a lumbar pump. Use the pump to inflate the lumbar support to optimal comfort. If you need to deflate your lumbar, simply push the button on the pump.
You can retro-fit a neckrest to your Logic 400. Simply remove the small plastic tab on top of your backrest and slot the neckrest in.
There is a tilt lock on the right hand side of your Logic 400 at the back. Turn the handle clockwise to lock the chair. To unlock, simply turn the handle anticlockwise.
If you want to adjust the tension of the tilt motion, use the front handle under the right hand side of your seat. Turn anticlockwise for firmer tension and clockwise to loosen the tension.
On the bottom right of your backrest there is a grey handle. Simply pull the handle upwards to adjust the height of your backrest. Once you are happy with the position, push the handle downwards.
Yes, swapping the seat pad is simple. Once you receive your new seat pad, pull off the old worn seat pad. You will notice there are holes underneath around the edge of the seat pad. Simply align these to the seat shell, then push down on the edges to secure the seat pad into place.
Please give our customer services team a call on +44 (0) 345 345 0010.
We keep a selection of these chairs in stock and waiting to be shipped out to you within a few days. See our popular configurations category for our most popular RH Logic, Positiv and HÅG chair configurations.
Need more than one chair? However big or small your project is, we have a dedicated service to support you. Not only will you get expert advice, trials, delivery and set-up, but you’ll also benefit from great discounts on bulk orders.
To request a no-obligation quote, or to discuss your requirements further, please fill out our contact form and we will get back to you as soon as possible.
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