RH Logic 400 Elite – Ergonomic Chair for 24/7 Use and Maximum Support

The RH Logic 400 Elite is built for people who need more from their chair — more support, more comfort and more resilience. Whether you're working in a control room, support centre or high-pressure desk environment, this chair is engineered for intensive, 24/7 seated use.

Based on the proven RH Logic 400 design, the Elite model adds extra seat and backrest padding, enhanced breathability and a larger, fully upholstered backrest for long-session comfort and upper-body freedom. It’s fully adjustable, fully certified and made to handle demanding work environments — without compromising comfort.

Key features

• Larger, fully upholstered backrest: supports full upper-back and shoulders, with a tapered shape for freedom of movement

• Extra-padded seat and back: 20 mm additional foam and improved ventilation for extended comfort

• Dynamic tilt mechanism: maintains lower back support while encouraging active sitting

• Seat height adjustment: 440–570 mm with 4Q silver gas lift

• Inflatable lumbar support: adjustable for personal lower-back fit

• Fully adjustable settings: seat height, depth, back height, tilt angle and lumbar

• Castors: soft-floor castors included as standard

• Base: graphite aluminium base

• Certified for 24/7 use: tested and approved for control room and shift-based working environments

• Weight: 22.8 kg

Is this chair right for you?

You’ll benefit from the RH Logic 400 Elite if you:

• ✅ Work in a 24/7 environment, such as control rooms or support centres

• ✅ Need a chair that provides durable, round-the-clock support without overheating or pressure build-up

• ✅ Prefer a fully upholstered high backrest for long-period comfort

• ✅ Want a premium version of the RH Logic 400 with added seat and back cushioning

Customisation options

• Neckrest: optional height- and angle-adjustable support

• Armrests: available in 3D or 4D adjustable formats

• Castors: supplied with soft-floor castors as standard, others available

• Fabrics & Upholstery:Prices shown include Group 2 Select fabric as standard. RH chairs are available in a wide range of alternative upholstery options, including recycled fabrics, premium wool blends, faux leathers and luxury leathers. View our RH Fabric & Upholstery Guide

• Cushions and pads: optional coccyx relief seat and XL Seat 

• Coat Hanger: In black plastic if required

• Decorative Stitching: available in a variety of colours 

Key specifications

• Seat height: 440–570 mm (4Q silver gas lift) other heights  and colours available - see options

• Extra foam: 20 mm added to both seat and backrest

• Weight: 22.8 kg

• Backrest: upholstered, with lumbar and shoulder support

• Tested and approved for: 24/7 control room and continuous-use environments

FAQs

What makes the Elite version different from the standard RH Logic 400?
The Elite includes extra foam padding in the seat and back, improved ventilation, a fully upholstered backrest, and a higher seat height range — ideal for intensive use.

Is this chair suitable for 24-hour shift work?
Yes — it is certified and tested specifically for 24/7 environments such as control rooms.

Does it still offer the same adjustability as the Logic 400?
Yes — all adjustment points are the same, including lumbar support, back height, seat depth, and tilt.

Can I add accessories like a neckrest or different arms?
Yes — neckrest and armrest upgrades are available at the time of order or can be added later.

Call to action

Built to go the distance. The RH Logic 400 Elite offers round-the-clock comfort, control and ergonomic support — whenever you’re at the desk.
Order yours today or contact us to discuss a 24/7 seating setup.

Explore other options

• Prefer a lighter seat for standard 8-hour use? See the [RH Logic 400]

• Want added comfort for extended sitting without 24/7 use? Try the [RH Logic 400 Comfort]

• Need ESD protection? Ask us about the [RH Logic 400 ESD]