Bock 51EC Oil Fired Water Heater (58810)

50 Gallon, 152,000 BTU Water Heater Less Burner & Controls for Oil or Power Gas Applications

The Popular BOCK 51EC Leads The Industry in Energy Efficiency With a .64 UEF Rating and 125 Gallons First Hour Delivery


  • 104,000 to 623,000 BTU/hr
  • 32 to 113 Gallon Capacities
  • .64 UEF Rating
  • 125 Gallons First Hour Delivery
  • Glass-Fused-to-Steel Water Tank
  • Dual Magnesium Anode Rods to Inhibit Corrosion
  • Turboflue® High Performance Heat Exchanger
  • Made in the USA
Bock 51EC Spec Sheet (PDF)
Bock Residential Oil-Fired Water Heaters Installation Manual (PDF)
Oil Fired Water Heaters
Bock Water Heaters, Inc