Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The Powerblanket BH15RR is a 160 W electric heating blanket that wraps a 15-gallon drum to keep its contents from freezing or to warm them for easier pouring. It is a fixed-size wrap for standard 15-gallon drums, not a general-purpose blanket, and it runs on mains power with no thermostat dial on the basic model. Compared with band heaters and drum immersion heaters, it heats the whole drum wall evenly and avoids hot spots, but it only fits one drum size and needs a nearby outlet. It suits cold-climate shops, job sites and food or chemical users who store viscous or freeze-prone liquids.
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Lowest price we've seen: $422.99 on Nov 9 at The Home Depot. Tracked across 2 stores since Nov 9.
Owners of Powerblanket drum heaters generally report even, reliable warming and fewer freeze-ups than with band heaters. Complaints center on the fixed fit and the lack of temperature control on the base model.