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I need a replacement HSI Ignitor. Do you have names of companies that carry this part?

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  • Robert Apr 04, 2011

    Hello, you can purchase a hsi at any heating and cooling supply store such at johnstone supply, grainger, etc... Any hvac store will have them.



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HSI stands for "Hot Surface Igniter" and they operate with line voltage, be careful. Grainger or any heating supply house near your location all stock them. Take the old one with you. There are many different styles and shapes but they all work the same way and do the same thing. Please rate this answer for me. Thank you. Roger

Posted on Apr 05, 2011


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I think you could be buying you own HSI part and replace yourself. But I would suspect that the technicians are not being careful when the install the new ones, or someone is getting their hands on them.
But even at that, they are problematic. I am not sure if there are different grades of HSI's either, so that may be the problem too.
They are not that hard to replace. You just need to be sure that it is the as being the cause of the failure.

I would order new ones on the Net, and replace. Just be sure not to touch the HSI, PERIOD. Use only the wrapping that the HSI comes in to hold it, and only remove when all possibility of touching it has gone.

Let me know if you have any more questions. I'll be happy to reply. I somehwat got out of the business as HSI's were coming in, but I do know the right questions to ask, and how to figure out what's happening.

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