Steeline, Guardian, Boss replacement remote

Steel-Line, guardian, boss. HT4 Garage Door Remote Control – 303MHz Compatible Replacement

if your current remote looks the same as shown in photos- carry on this is a direct to motor simple code, no cloning. 100% compatibility

This HT4-style garage door remote is a compatible replacement for Steel-Line, guardian, boss garage door motors operating on 303MHz rolling code technology. Designed to match the original HT4 remote in appearance and function, it’s an ideal spare or replacement remote.

Programming is quick and simple, and instructions are included.

⚠️ Important:

This remote is intended as a compatible replacement, not an original manufacturer remote. Your existing remote must match the HT4 style- current remote must look like picture shown

Features:

- Compatible replacement for Steel-Line, guardian, boss HT4 remotes
- 303MHz rolling code encryption
- Can operate up to 2 doors or gates
- Compact keyring-style design
- Easy DIY programming
- Battery included

Compatibility:

Suitable for Steel-Line garage door motors installed prior to July 2013, including:

Roller Door Openers:

- BD1A
- BRD1
- BRD9

Sectional Door Openers:

- BOL4 (navy or black powerhead only – not grey)
- BOL6
- BOL9
- OL4 (navy or black powerhead only – not grey)
- OL6
- OL9

❗ If your existing remote is marked “2211-L (TX)", this remote will not be suitable.

What’s Included:

- 1 × HT4-style compatible remote
- Battery
- Programming instructions

Legal & Compatibility Notice

This product is a third-party compatible replacement and is not manufactured by, endorsed by, or affiliated with Steel-Line.

All brand names are used for compatibility reference only.