• H2OBT Stainless Steel Buffer Tank

    H2OBT Stainless Steel Buffer Tank

H2OBT Stainless Steel Buffer Tanks


Need a hot-water solution when you're working with a chiller, heat pump or a low-mass boiler? Choose Dunkirk's H2O Stainless Steel Hydronic Buffer Tanks. These buffer tanks are available in 40-, 60-, 80-, or 115-gallon capacity, with your choice of 1-1/4", 1-1/2", or 2" connections for peak performance. This is the perfect solution to burner short cycling.


  • Capacity: 40, 60, 80 & 115 Gallon
  • 316L Stainless Steel Construction
  • Top Connections (For Easy, Neat, Clean Installation)
  • Thermoplastic Jacket (Won't dent, scratch or corrode)
  • Low Pressure Drop (Ideal for Low Mass Boilers)
  • T & P Valve, Stainless Steel Aquastat Well and Drain Valve (Factory installed-taped and doped)
  • 2.25" EPS Insulation (Provides Less Than .5°F Per Hour Standby Loss)
  • Made in the USA


  • Commercial Connections (For Increased DHW Flow) (All Capacities) (1-1/4", 1-1/2", 2")
  • Large Diameter, Smooth Coil Heat Exchangers - Prevent Buildup (Stainless Steel Coils are 25 to 30' Long and 1/8" in Diameter) (40, 60, 80 & 115 Capacities)

Documents / Resources

Product Testimonials

Sorry, there are no reviews yet for this product. Would you like to leave feedback?