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DHW Tank — Indirect-Only
APOLLO DHW80 - Stainless Indirect Water Heater Tank - 80gal
An 80-gallon SS316 indirect domestic-hot-water tank for boiler or heat-pump systems.
$2,913
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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
- 80-gallon DHW storage
- SS316 inner tank
- Installer-ready fittings
STAINLESS INDIRECT WATER HEATER TANK – HIGH-EFFICIENCY 80 GAL DHW SOLUTION
The APOLLO DHW80 is a high-efficiency indirect water heater designed to work with boilers and heat pumps, delivering reliable domestic hot water for residential and commercial applications. Built with 316 stainless steel, it ensures durability, corrosion resistance, and long-term performance.
Key Benefits
- Large 80-gallon capacity for consistent hot water supply
- Enhanced heat transfer coil (3/4" × 125') for faster and more efficient heating
- Stainless steel 316 inner tank for maximum corrosion resistance
- 2" polyurethane insulation to reduce heat loss and prevent condensation
- Compatible with boilers and heat pump systems
Specifications
- Tank Capacity: 80 gal (300 L)
- Inner Tank Material: Stainless Steel 316 (1/16")
- Outer Jacket: Painted galvanized steel (1/32")
- Coil: 3/4" × 125' with 1" adapter
- Connections: 1" NPT female (preinstalled plugs)
- Insulation: 2" polyurethane foam
- Pressure Relief Valve: 3/4", CSA/UL rated – 125 psi / 210°F
- Additional Features: Drain valve, magnesium rod, temperature sensor port
- Warranty: 10 years
- Application: Residential & commercial domestic hot water systems
| Tank capacity | 80 gal (300 L) |
|---|---|
| Inner tank | SS316, 1/16 in |
| Outer jacket | Painted galvanized steel, 1/32 in |
| Coil | ¾ in × 125 ft with 1 in bushing adapter |
| Insulation | 2 in polyurethane foam |
| Connections | 1 in NPT female |
| Relief valve | ¾ in, CSA/UL rated 125 PSI / 210°F |
| Included | Drain valve, magnesium rod, temperature-sensor port |
- Tank capacity
- 80 gal (300 L)
- Inner tank
- SS316, 1/16 in
- Outer jacket
- Painted galvanized steel, 1/32 in
- Coil
- ¾ in × 125 ft with 1 in bushing adapter
- Insulation
- 2 in polyurethane foam
- Connections
- 1 in NPT female
- Relief valve
- ¾ in, CSA/UL rated 125 PSI / 210°F
- Included
- Drain valve, magnesium rod, temperature-sensor port
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