Bock 40SK SideKick™ Indirect Water Heater (58852)

40 Gallon C-Glass Lined Coil Heat Exchanger

The 40SK inner tank is precision built from high quality steel, and repetitive pressure testing assures the highest quality construction.


  •  Durable Exterior – All steel with environmentally-friendly powder coat finish
  • C-Glass Lining – Cobalt-enriched porcelain enamel glass-lined tank and coil are highly resistant to aggressive water
  • Automatic Controls – Immersion aquastat used in all models
  • Brass Drain Valve – Tamper-proof, accessible, factory installed
  • T&P Relief Valve – Factory installed, CSA listed and ASME rated
  • 1-1/2″ Coil – Large diameter, open-throated, provides higher recovery and less pressure drop; resists lime build-up
  • Ecomate® Insulation
  • Two Magnesium Anode Rods – Inhibits corrosion and maximizes tank life
Bock SideKick Indirect Weater Heater Spec Sheet (PDF)
Bock Indirect Water Heater Instruction Manual (PDF)
Indirect Water Heaters
Bock Water Heaters, Inc