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RS Pro Ontario office chair in black

Viking Number Q27-5019863

Exclusive to Viking
Realspace Pro
Ontario office chair

Enjoy optimal seating comfort with this RS Pro Ontario operator chair in black. Available now with next-day delivery from Viking

Highly adjustable with an ergonomic design built for maximum comfort, this utterly modern Ontario operator chair boasts a host of features including a synchronised-tilt, easy-access adjustment controls and built-in rotating armrests.

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(£226.80 incl. VAT)
ex VAT
incl. VAT




Enjoy optimal seating comfort with this RS Pro Ontario operator chair in black. Available now with next-day delivery from Viking

Upholstered in quality durable fabric that's easy to clean and will look good for years

Large upholstered backrest

Pelvic support - A tri curved seat pad offers a more supportive way of being seated during the working day keeping the core centred and helping prevent muscle fatigue

Contoured backrest with postured curves designed to support the lower region of the back area

Supplied with safety castors featuring an internal brake which disengages when you sit for free-rolling movement, and automatically applies when you stand, preventing any hazard caused by the chair rolling away accidentally.

Upgraded synchronised back and seat mechanism helping you find your most comfortable sitting position

Includes height adjustable arms with rotating arms pads

Tilt lock – Locks the angle of the chairs back and seat tilt
Tilt tension – adjustable tension which increases or decreases back and seat tilt- resistance

Seat height adjustment – Positions the seat height to the most comfortable level for you
Back height adjustment - Adjusts vertically, locking at various intervals
Sliding seat - Seat can be moved forwards or rewards for extra leg support

Synchro tilt - Back and seat pad tilt together in a 3:1 ratio. Can be locked in various positions
Lumbar support - Built-in lumbar support for your lower back region
Brake-when-loaded castors - Keep your chair under control with these advanced castors, which lock the wheels when the chair is in use. Get up to move to your optimum position, then sit down and the chair stays put to keep you properly supported

Fire retardant 0,1 & 5 suitable for both business and domestic use

Tested according to EN 1335-1, 2, 3

5 Warranty

Self assembly

Delivered next working day

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Viking Number 5019863 
Colour black 
Adjustable Backrest Height 
Adjustable Backrest Depth No 
Adjustable seat height Yes 
Armrest Height adjustable arms included 
Back height adjustment Yes 
Body balance system No 
Chair Type Operator Chair 
Finish Fabric 
Height Back Rest 562 mm 
Knee Tilt No 
Lumbar Support Yes 
Material PP,nylon,metal,fabric and foam 
Mechanism Synchro tilt 
Number Of Castors
Product Type Operator Chair 
Seat angle adjustment Yes 
Seat Depth 510 mm 
Seat Depth Adjustment Depth 
Seat height adjustable Yes 
Seat Height Adjustment 463 mm - 563 mm 
Seat Width 522 mm 
Self-Assembly Yes 
synchro tilt Yes 
Tilt Tension Yes 
Type of Feet Starbase, Nylon 
Unit Each 
Usage Intense 
Width 730 mm 
Width Backrest 470 mm 
Brand rs Pro 
Colour black 
RS Pro Ontario office chair in black
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RS Pro Ontario office chair in black reviews verified by Reevoo

Value for money
Overall rating
Scores 8.5 out of 10 based on 2 reviews
10 out of 10


Birmingham GB
Really comfortable and I sit at a desk for most of the day. It supports my lower back really well. I no longer feel like I need to get out of the chair and stretch!
Reviewer left no comment
Confirmed purchase: 14 January 2015
Published on: 04 February 2015
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