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Space Heater for Crawl Space

8.6K views 31 replies 11 participants last post by  beenthere  
I can see why one would not trust the residential grade heat tapes. The hospitals I worked in had the industrial grade heat tapes protecting thousand's of dollars worth of cooling tower supply piping, TDS controlled auto bleed off drain pipes, etc.

The manufacturing plants that we wired, we installed electrical services to the plants outdoor located 1- 4 inch exposed water lines . They got the industrial rated heat taped put on them, then the piping was pro insulated wrapped .

I only recall one heat tape ever failing. Due to a plumber sweating a new fitting on a insulated pipe and unknowingly, he melted the heat tapes conductor insulation back up under the pipe insulation and it shorted out later. JMO
 
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