MBtek
APOLLO DHW120 MAX - Stainless Combined Indirect Water Heater Tank

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APOLLO DHW MAX — Combined DHW + Buffer

APOLLO DHW120 MAX - Stainless Combined Indirect Water Heater Tank

One SS316 vessel combines domestic-hot-water storage with hydronic buffer volume.

$3,925
$2,74830% OFF

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Installed in real homes and workshops

Customer Success Stories

Since installing the buffer tank, I've cut glycol costs, reduced electricity usage, and improved overall system efficiency. It keeps my home at a stable temperature overnight and even gives me peace of mind during power outages. It's like having a thermal battery that optimizes everything.

The Perfect Alternative to Natural Gas

High efficiency for heating, cooling, and hot water with low electric bills.

Product details

  • DHW plus buffer
  • SS316 construction
  • Insulated storage
  • 10-year warranty

STAINLESS COMBINED INDIRECT WATER HEATER TANK WITH BUFFER – SPACE-SAVING ALL-IN-ONE DESIGN

The APOLLO DHW120 MAX is a combined domestic hot water (DHW) and buffer tank, designed for the APOLLO heat pump systems. Built in stainless steel 316, it delivers high durability, excellent insulation, and optimized system performance for residential or commercial installations.

Key Benefits

  • All-in-one DHW + buffer tank to save space and simplify installation
  • Buffer (30 gal) for improved heat pump performance and defrost cycles
  • Buffer prefilled with 25 gal. 100% propylene glycol
  • High insulation (2"–3") to reduce heat loss and prevent condensation
  • Stainless steel 316 construction for long-lasting corrosion resistance
  • Domestic cold water inlet APOLLO patent design for 20% more hot water

Specifications

  • DHW Volume: 90 gal
  • Buffer Volume: 30 gal – Prefilled with 100% Propylene Glycol
  • Material: Stainless Steel 316 (inner tank & coil)
  • Connections: DHW Inlet/Outlet: 3/4", Hydro Smart Inlet/Outlet: 11/4", Buffer connections: 11/4"
  • Insulation: 2" sides / 3" top polyurethane foam
  • Pressure Rating: 200 psi
  • Relief Valve: 120 psi
  • Drain Valve: Included
  • Warranty: 10 years
  • Application: Residential & commercial heat pump systems
DHW / buffer volume
90 / 30 gal
Inner tank
SS316, 1/16 in
Insulation
2 in sides / 3 in top polyurethane foam
Pressure relief
125 PSI / 210°F, CSA/UL certified
Compatibility
Hydro Smart system or plate heat exchanger
Buffer fill
24 gal of 100% propylene glycol included
Warranty
10 years

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