Gas soldering iron for heatshrink?

[Marvo]

Google pencil torch or windproof lighter. They're less heat output than the blowtorch in your opening post, I also find the chef's blowtorches to be too hot unless you're using it on big diameters like 50mm and over.

I usually use a miniature propane torch which is about the size of a largish cigarette lighter, something like this .

You can actually use one of those windproof lighters for the smaller heatshrink sizes.

 

[Aindowsimon]

Blow lamp with a regulator on it never any problems

Similar to this turned down low

You can you's it for plumbing to
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[edexlab]

With the gas torch generally they are very limited on flame / heat adjustment
it's easy to burn the heat shrink if you you don't move the flame about,
I tend to keep it moving but aim off to the side of the heatshrink, but a heat gun will do exactly the same on a high setting,
Using low setting can take a bit more time
Personally I prefer the small creme brulee type

I've also just bought a small cigar lighter in china which you can angle the head it's all made of metal and holds a lot more gas than the plastic version I have also has a cap on a chain which is a bit of a nuisance but when fitted the gas cannot be ignited so I'll keep it attached just for the safety aspect

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[edexlab]

it's similar to this design but all metal

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