DHW tank series 2026

HDC-300

Name: HDC-300 Stainless Steel Dual Coil DHW Tank
Brand: Heatlyt
SKU: HDC-300

300L Dual Coil Domestic Hot Water Tank

Premium 300L dual coil hot water tank with two independent SUS316 stainless steel coils. The upper coil (3.2 m²) and lower coil (1.3 m²) allow simultaneous connection to a heat pump and solar thermal system for maximum energy management flexibility — ideal for dual-source renewable heating installations.

OEM & customisation

Available from 200L to 500L. Options: SUS304/316 steel, custom coil configurations.

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Key features

HDC-300: dual coil hot water tank for heat pump and solar thermal

Dual coil design

Upper coil (3.2 m²) and lower coil (1.3 m²) enable simultaneous connection to multiple heat sources — heat pump and solar thermal — for optimal year-round energy management.

Thermal efficiency

4.5 m² total coil surface combined with full-body high-density PU foam insulation ensures rapid heat transfer and minimal standby losses.

Premium build quality

• SUS304 stainless steel tank body
• SUS316 dual stainless steel coils
• Argon-shielded welding
• High-density PU foam insulation

Technical drawing

HDC-300 Dimensional drawing

Specifications

Packing & technical data

Parameter	Value
Model	HDC-300
Capacity	300 L
Tank material	SUS304 stainless steel
Coil material	SUS316 stainless steel
Upper coil area	3.2 m²
Lower coil area	1.3 m²
Total exchange area	4.5 m²
Insulation	High-density PU foam
Packing size	64 × 64 × 191 cm
Net weight	59.5 kg
Gross weight	65 kg

Technical Summary

Capacity: 300 Liters
Material: SUS304 Tank, SUS316 Dual Coils
Coil Surface: 4.5 m² total (3.2 + 1.3 m²)
Insulation: High-density PU foam

Warranty: 1 year from date of purchase for material and manufacturing defects, valid with proof of purchase.

ErP energy label

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