Question about Thermwell Water Heater Blanket

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I have a 50 gal State water heater. I need a blanket that will fit it with measurements of 57in tall and 66in wide. Any suggestions since most blankets are 48in

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Unfortunately, virtually all mass-market water heater blankets are 48" wide. One option is to buy a 32 sf roll of R13 ComfortTherm wall insulation (15" wide) and install in four segments. Unlike regular wall insulation, this product is sandwiched in plastic, making it much easier to handle and install (and neater) than kraft-faced insulation. It's made by Johns Manville and available at Lowes for about $9 (JM product number B011, Lowes item #44026). You'll need a suitable tape for the seams.

By the way, when calculating blanket width, you must add insulation thickness (times 2) to the tank diameter. My heater is 20.5" in diameter, so for 3.5" wall insulation, the effective diameter is 27.5", so the circumference is about 86".

Mass market blankets are 75" wide, and come in 1.5", 2" and 3" thicknesses. These can handle tank diameters up to 21, 20 and 18 inches, respectively.

Posted on Nov 09, 2010

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Have you drained the sediment from your heater recently?

All the way up is a dangerous setting by the way. I suspect you know this.

Thanks for your interest in FixYa.com

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Do not touch water heater that is tripping breaker.
Open following link for troubleshooting steps:
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Upvote the help.
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