Oil-Fired Commercial Water Heaters Featuring Bock’s Legendary The heat exchanger with hundreds of turbofins to boost heat transfer -- faster heating water less with fuel. 68 to 113 Gallon Capacities 155,000 to 623,000 BTU Cobalt-enriched Glass-Lined Tank Dual Magnesium Anode Rods to Inhibit Corrosion Standard &...
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