Hot Water Heater Insulation


Old 05-15-01, 07:38 AM
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I'd like some advice before I burn my house down...

I'd like to insulate my hot water heater (electric).

I noticed that the hot water heater insulation kits are fiberglass insulation with a plastic backing on 1 side. They have an R-value of 6.5. I then looked in the insulation dept, and saw that regular insulation has a much higher (up to 25?) R-value.

Is it OK to use the higher R-value house insulation on my heater? Or will it get too hot (hard to imagine), or is it flammable or something?

Will the higher R-value save me that much more $$?

I'll ask in the heating/cooling forum as well.

Thanks for any help!
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Old 05-15-01, 07:34 PM
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I thought I posted a reply to this earlier....

however I didnt see it when I came back to the site...

Don't use regular house insulation with a kraft facing because it is extremely Flammable If not covered with drywall..

I would not reccommend using anything except insualtion that is designed for a hot water heater... It has a white plastic covering which will give a 25 - 50 flame and smoke spread rating

Good Luck Jim
Old 05-16-01, 05:48 AM
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Thanks so much!
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