Solar/Geo-Thermal Water Heaters

Available in 45 to 110 gallon capacities, Bock Solar/Geo-Thermal Heaters come equipped with a high capacity 1.5” internal coil heat exchanger and optional 4500W supplemental electric heating element and second coil heat exchanger for auxiliary heat source.
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  1. SVI-572-125
    SVI-572-125 SOLAR INDIRECT. Please note that S. Wall Coils are required for this Tank. Please make sure to add S. Wall Coils (Item 65300) to Cart before you purchase (Item 65300)
    Model: SVI-572-125
    Gal: 572 gallon
    SKU: 65222
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  2. SVI-752-125
    SVI-752-125 SOLAR INDIRECT. Please note that S. Wall Coils are required for this Tank. Please make sure to add S. Wall Coils (Item 65300) to Cart before you purchase (Item 65300)
    Model: SVI-752-125
    Gal: 752 gallon
    SKU: 65225
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  3. SVI-846-125
    SVI-846-125 SOLAR INDIRECT. Please note that S. Wall Coils are required for this Tank. Please make sure to add S. Wall Coils (Item 65300) to Cart before you purchase (Item 65300)
    Model: SVI-846-125
    Gal: 846 gallon
    SKU: 65227
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  4. SVI-1128-125
    SVI-1128-125 SOLAR INDIRECT. Please note that S. Wall Coils are required for this Tank. Please make sure to add S. Wall Coils (Item 65300) to Cart before you purchase (Item 65300)
    Model: SVI-1128-125
    Gal: 1,128 gallon
    SKU: 65230
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