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Vertical External Fiber Protection Sleeve Heater
- The YY-6 vertical external heater mounts beside a fusion splicer and provides a clear channel for shrinking fiber protection sleeves. Four selectable temperatures, a rechargeable battery, and automatic power-off support controlled work in equipment rooms, labs, and field service.
Exquisite Details & Design Features
Carefully-crafted details showcase superior craftsmanship and outstanding design features.

Focused Heating for Fiber Protection Sleeves
The right-side clip places the heater next to a compatible fusion splicer.
Uncover Our Core Product Advantages
Reliable quality and solid performance for your varied usage scenarios. Rigorous production standards ensure great durability and cost‑efficiency.

A side-mounted setup leaves more usable room on narrow telecom shelves.

The transparent cover makes sleeve position easy to check before heating.

Rechargeable operation helps maintain work continuity at outdoor service sites.

The heater accepts protection sleeves under 60 mm long and under 6 mm wide.
Compatible devices
External Heating Support for Fiber Fusion Work
Designed to mount beside a fiber fusion splicer with a suitable interface.

Product parameters
Flexible for multiple scenarios
The vertical format keeps the heater close to the splice workflow while preserving useful work space.

A side-mounted setup leaves more usable room on narrow telecom shelves.


The transparent cover makes sleeve position easy to check before heating.

Packaging list
Packaging references only: 12 V wall charger and storage case; inclusion is not claimed.
Frequently Asked Questions
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