The high efficiency heating coil in a Hubbell SLN model is constructed from high grade copper finned tube coil. It is designed for maximum longevity and spiral
wound for maximum heat transfer.
0 gallon heaters available with one (1) 20 Sq./Ft. heating coil.
120 gallon heaters available with one (1) or two (2) 20 Sq./Ft. heating coils.
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