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Aftermarket Boss / Steel-Line HT3 Handset

$33.65 Incl GST

+ Free Shipping

1x Aftermarket Boss / Steel-Line HT3 Handset

Batteries Included  – Yes
Battery Type  – 27A 12V Alkaline
Warranty  – 1 Year

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Aftermarket Boss / Steel-Line HT3 Handset Product Features

The Aftermarket Boss/Steel-Line HT3 Handset is a programmable remote control device compatible with Boss and Steel-Line brand garage door openers, offering convenience and ease of use.

  • Light weight
  • Four button design, allowing coding to multiple compatible garage door operators
  • Simple to program
  • Durable Casing with slide cover and keyring clip included
  • This handset is a direct copy of the Genuine Boss / Steel-Line HT3 Handset with 433MHZ rolling code technology

The Aftermarket Boss / Steel-Line Handset is easy to use which allows you to open and close your garage door remotely, when in range of your garage door operator.

This handset is easy to code into your existing garage door operator, please see the coding instructions in the Coding Instructions tab above. If you need any assistance in coding your new garage door handset, please contact our friendly customer service team by sending an email to service@expressgarageparts.com.au 

Weight 32 g
Dimensions 80 × 40 × 20 mm



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Compatible Operators

Aftermarket Boss / Steel-Line HT3 Handset Compatibility

The aftermarket Boss / Steel-Line HT3 Handset is a direct copy of the Boss / Steel-Line HT3 handset. Listed below are the brands and models that this handset is compatible with:

Boss Openers

  • RD11
  • OL4 
  • OL6C
  • BOL4

Steel-Line (Guardian) Openers

  • DCS2

Coding Instructions

Coding Instructions are included in packaging when item is purchased.



  • Swallowing may lead to serious injury in as little as 2 hours or death, due to chemical burns and potential perforation of the oesophagus.
  • If you suspect your child has swallowed or inserted a button battery immediately call the 24-hour Poisons Information Centre on 13 11 26 for fast, expert advice.
  • Examine devices and make sure the battery compartment is correctly secured, e.g. that the screw or other mechanical fastener is tightened.
  • Do not use it if the compartment is not secure.
  • Dispose of used button batteries immediately and safely. Flat batteries can still be dangerous.
  • Tell others about the risk associated with button batteries and how to keep their children safe.

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