.Skip to main content

Dorma Floor Spring BTS84 EN4 with 8410 Cover Plate - Satin Stainless Steel

Dormakaba

$540.85
(No reviews yet) Write a Review
SKU:
STK DOBTS844 DOBTS844HO
UPC:
5894579496168
Availability:
Usually same day dispatch (if ordered before 11am)
Adding to cart… The item has been added
dormakaba logo

Dorma Floor Spring BTS84 EN4 (with 8410 Cover Plate)

The Dorma BTS84 EN4 is a compact, reduced-depth double action floor spring designed for aluminium and toughened glass doors. Supplied complete with a cement box and 8410 cover plate, it provides a neat, low-profile installation for medium-width commercial doors.

Key Features

  • Compact reduced-depth floor spring for aluminium and glass doors.
  • Double action operation.
  • Supplied with cement box and 8410 cover plate.
  • Available in hold-open and non-hold-open configurations.

Specifications

Product Type Double action floor spring
Spring Strength EN4
Hold Open Yes or No (variant dependent)
Mechanical Backcheck No
Maximum Door Weight 100 kg
Maximum Door Width 1100 mm
Overall Dimensions 306 mm x 108 mm x 40 mm
Approximate Weight 5.0 kg


Suitable Uses

  • Aluminium framed doors.
  • Toughened glass doors.
  • Commercial doors requiring a compact floor spring.

Available Variants

Item Code Hold-Open Function
DOBTS844 No
DOBTS844HO Yes – 90°

Item Code Family

System Spring Range Typical Application
This Product – BTS84 EN4 Compact aluminium and glass doors up to 100 kg
BTS75 V EN1–4 Adjustable Medium commercial doors with backcheck
BTS80 EN3 / EN4 / EN6 Heavy duty and wide doors

Frequently Asked Questions

Is this floor spring fire rated?
No. The BTS84 EN4 is not fire rated.

Does this model include mechanical backcheck?
No. This model does not incorporate a mechanical backcheck.

When should BTS80 be selected instead?
For heavier, wider or wind-loaded doors, the BTS80 floor spring is recommended.

Additional Information

  • The BTS84 range is selected where reduced installation depth is critical.
  • Hold-open selection should be confirmed at installation.
  • Commonly specified in Australian commercial aluminium and glass door systems.

dormakaba Warranty

dormakaba Australia Pty Ltd (ABN 14 067 969 466) provides the following warranty on all dormakaba branded products sold in Australia. This warranty is in addition to, and does not limit, your rights under the Australian Consumer Law.

Warranty Summary

Warranty Provider dormakaba Australia Pty Ltd (ABN 14 067 969 466)
Coverage Region Australia
Warranty Starts Date of purchase
Registration Required No
Mechanical Products (general) 10 years
Digital Door Locks � electronic components 1 year
Electric Locks � electronic components 1 year
Electric Strikes 5 years
Hinges 2 years
Safe Locks 2 years
Entrance Control / Access Systems 2 years
Push Button Locks 2 years from date of manufacture
Interior Glass Systems � mechanical 2 years
Automatic Operators 2 years (labour: 1 year from installation by dormakaba technician or authorised representative)
EL301 & AL401 Automatic Operators � motor & gearbox 10 years when serviced in accordance with AS5007
Powder Coated Finishes 1 year (leading edges: no warranty)
Electroplated Finishes 1 year
PVD (Physical Vapour Deposition) Finishes 10 years
Plated Finishes (black chrome, satin chrome, polished chrome, oiled nickel, bronze, polished bronze) No warranty � deterioration is anticipated under some climatic conditions
Batteries (Electric Mortice Locks & Digital Door Locks) No warranty

How to Make a Claim

For full returns and warranty claim procedures, visit our Returns & Warranty page � this is kept up to date and is the authoritative reference for current claim steps.
  1. Report the defect promptly. Contact Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries (including Gold Coast Smart Locks) as your point of sale in the first instance. Claims must be lodged no later than 1 month from the date the defect becomes obvious.
  2. Prepare your documentation. You will need proof of purchase (invoice or receipt), the date of delivery or installation, your name and address, and any maintenance records relevant to the product.
  3. Make the product available for inspection. dormakaba requires adequate access to the goods, fittings, and fixtures to assess any warranty claim and carry out repairs. If no fault is found, dormakaba's standard costs for inspection, service, and testing apply.
  4. Warranty work is conducted during normal business hours � 8:00am to 5:00pm, Monday to Friday.

Note: The expense of making a warranty claim (including transport and access costs) is borne by the purchaser.

Exclusions

This warranty does not cover:

  • Damage or defects caused by misuse, abuse, neglect, or failure to follow dormakaba's selection, installation, and maintenance instructions
  • Fair wear and tear
  • Damage arising from installation not carried out by dormakaba or its authorised agents
  • Damage caused to the structures the product is installed in, where installation was not by dormakaba or its authorised agents
  • Damage caused by circumstances beyond dormakaba's control
  • Defects within acceptable industry variances
  • Products used other than for their intended purpose
  • Damage from exposure to abnormal conditions, including but not limited to extreme temperature, water, fire, humidity, pressure, or stress
  • Products that have been modified, built on, or repaired by a third party
  • Products not maintained in accordance with dormakaba's care, cleaning, and maintenance instructions (as amended from time to time on the dormakaba website)
  • Routine maintenance items (the purchaser's responsibility)
  • Products installed, maintained, or operated other than in accordance with dormakaba's instructions
  • Overhaul, replacement, or repair work carried out prior to dormakaba's approval of a warranty claim

Important Notes

Australian Consumer Law
In Australia, our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure, and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have goods repaired or replaced if they fail to be of acceptable quality and the failure does not amount to a major failure. Nothing in this warranty limits or excludes these statutory rights.
Replacement & Repair
dormakaba reserves the right to replace defective parts with components of similar quality, grade, and composition where an identical part is unavailable. Refurbished parts or goods of the same type may be used. For discontinued or unavailable products, dormakaba may substitute an equivalent current product. All products replaced under warranty become the property of dormakaba.

Further Information