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I've used a KT-200 for five seasons now. When you get a good connection, it usually thaws the pipes in 2-45 minutes. It's great for piping that's frozen in difficult to reach locations (behind a wall, crawlspace, exterior wall, and that ever popular bathroom hung over the garage in the $500k+ house). You get to charge a premium to use it because it's still cheaper than labor on using a heat gun, or tearing into a wall. They are heavy, roughly 60 pounds, unless you break it down after each job and want to make two trips to the truck. You can buy some thumb screw nuts to replace the ones that come on it for quicker cable attachment and removal. The amp meter is great, because it lets you know exactly how good the connection is.I've had quite a few main services that I know I'm getting a connection by sparking, but the amp meter registers flat and won't thaw. I don't know why this happens sometimes other than the service must be lead or have a goofy fitting in it that is stopping the current.
Originally posted by NorthernIllinoisPlumberView Post
In our area there are a lot of houses with cpvc and copper mix. Sometimes its in the walls and you dont know it. How hot do those heated copper pipes get?
The copper pipe does not get real hot. I have had great success with the pre-Ridgid models. We have 3 of the KT-200 types. Each truck has one unit with two 20' cords, one 50' cord and one 75' cord. Also have the pigtail to hook two units up in series for longer runs.