I need to install heat tape on the INSIDE of a 6" PVC drain pipe. The challenge is that it must be inserted from the bottom and pushed up about 4'. I'll also need a thermostat. How should I go about this?

  • A picture might help.
    – Tester101
    Commented Nov 10, 2011 at 17:13
  • I assume you want it in the inside so it looks nice.. How about putting it on the outside-- then putting a larger PVC pipe to cover the heat tape that is on the 6"?
    – Piotr Kula
    Commented Nov 10, 2011 at 17:23

1 Answer 1


This is actually similar to another answer I just gave.

It's generally referred to as "heat line" when it goes inside a pipe, which may help you find some products.

You don't give many details about your application, but in general, I'd recommend self-regulating heat line instead of using a thermostat. This line basically turns on as it needs to in response to temperature, and this actually happens just on the particular spot that's cold (eg, the whole line doesn't have to be on or off).

The insert adapter that lets you connect the line can be installed anywhere.

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