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Waterproof Immersion Heaters

Waterproof (IP67) rated immersion heaters.
Don't trust non-rated immersion heaters that only state that they are "waterproof". Immersion heaters featured in this collection are only IP67+ rated

IP Ratings means protection from sprays and splashing of water in all directions. To recap: IP67 means the unit can be dropped into a body of water up to a meter deep for half an hour, while IP68 guarantees protection in water up to 1.5m deep for the same period of time. Both are resistant to dust.