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OM Seating  |  SKU: DB78

Office Master Discovery XL Back Wide Performance Task Office Chair | DB78

$632.45


The Office Master Discovery XL Back Wide Performance Task Chair (DB78) is built for larger frames and long work sessions, offering a roomy 22-inch seat and ergonomic support. Its pear-shaped backrest and Double Comfort Seating deliver a soft yet supportive feel for all-day comfort.

Highlights

  • Seat width: 22 inches with seat depth adjustment for a customizable, comfortable fit during extended work days.
  • Pear-shaped backrest with fabric panel back and memory foam in the backrest to support shoulder blades when reclining.
  • Double Comfort Seating (DCS) technology delivers a balanced blend of softness and support in both the seat cushion and back.
  • Extensive adjustability: pneumatic lift, EZ back height adjustment, infinitely locking seat tilt, infinitely locking back tilt, forward tilting adjustment, and rocking tension adjustment.
  • Seat position versatility: seat slider to fine-tune depth and position for optimal posture.
  • Durable upholstery designed for daily use, combining a fabric panel back with a sturdy, comfortable seat.
  • Ideal for larger-framed users or anyone needing extra width and extended comfort during long work sessions.

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Dimensions

Model/Sku Office Master DB78
Overall Width 27"
Overall Height 43-52"
Back 12" & 21.5"w x 25.5"h
Seat 22"w x 18-20.5"d
Seat Height 18-23"
Carton Weight 64 pounds
Warranty 12 year limited
Chair measurements are approximate and are based on switching cylinder heights on otherwise the same chair, with the same base and casters. Arm dimensions are approximate as actual measurements will vary depending on a variety of factors: cushion contour(s), seat upholstery, memory foam, etc.

More information about DB78 Fabric and Arms selection is available on the DB78 Options Library page

Downloads

Warranty

Office Master, Inc. (OM) warrants to the original purchaser that its products are free from defects in materials and workmanship for the applicable warranty period, as indicated below. 

Should any item fail, OM will – at its sole discretion – repair or replace, with a comparable product or part, any item found to be defective as a result of normal commercial use (i.e., a single 8-hour shift, 5 days per week).

This warranty does not apply to items subjected to abuse, misuse, neglect, alteration, or damage caused by shipment, storage, accident, fire, flood, or act of God.

Note: the actual warranty terms are specified on the chair product page. 

lifetime limited warranty:

The OM5 Series® (including the OM5 Active sub-series), Truly.® Series, and Ginny are covered by a lifetime limited warranty on all structural components as defined below.

12-year limited warranty:

Unless otherwise specified, all models not classified as budget or 24/7 or heavy-duty are covered under a 12-year limited warranty on all structural components as defined below.

7-year limited warranty:

Unless otherwise specified, all models classified as budget or 24/7 or heavy-duty or bariatric are covered under a 7-year limited warranty on all structural components as defined below. Budget series include: BC, SG, ST, and WS. Bariatric series includes: GY4B-26 and GY4B-30.

warranty terms:

Within a given model’s applicable warranty period, all structural components, including gas cylinders, wood, metal and plastic parts (i.e., chair frames, bases and control handles) are guaranteed against structural failure when under normal commercial use. All OM seating comes with a default 275 lbs. weight capacity limit unless otherwise specified by OM. 

For all models, consumable items (i.e., casters, glides, etc.) are covered by a 5-year normal commercial use warranty.

fabrics and foam:

OM in-stock upholstery & foam cushions are covered by a 5-year normal commercial use warranty. Normal wear and tear on fabrics such as wrinkling, dirt accumulation or gathering is not covered. This includes Truly.® Series “Jackets” and “Wraps”. Natural, minor variations may exist in color, surface, grain or texture of upholstery materials. As a result, any such variations are not warranted. COM/COL and graded-in fabrics are not covered.

warranty labor:

This warranty exclusively covers the repair or replacement of OM parts as determined by OM and does NOT cover any portion of field labor or service and does NOT cover any portion of field labor or service. For information regarding OM’s non-warranty shop time and related charges, please reference a current copy of OM’s pricebook, in the Terms and Conditions section.