MEGASUN 120-Litre Direct Flat Plate Solar Water Heater SP120 KK×2.10m²; A+ Rated, Low‑Noise, High‑Efficiency

Technical Specifications of MEGASUN 120-Litre Indirect Flat Plate Solar Water Heater

• Nominal Storage Capacity: 120 L (actual drum volume 110 L)
• Thermal Efficiency (Normal Climate): 134 %
• Annual Electricity Consumption (Normal Climate): 766 kWh
• Energy Rating: A+ (per EU Reg. 812/2013)
• Heat Loss Coefficients: First‑order a₁ = 3.36 W/(K·m²), Second‑order a₂ = 0.024 W/(K²·m²)
• Solar Collector Window Area: 1.80 m²
• Sound Level: 15 dB(A)

Highlights & Features:

• Low Standby Losses: Minimises heat loss when solar input is low
• Quiet Operation: Ultra‑low noise (15 dB) for seamless home integration
• Built‑in Safety Valve Requirement: A pressure-safety valve (and electric thermostat) must be installed to prevent overheating
• Robust Construction: Designed for long‑term reliability and compliance with EN 12976 & ISO 9806 standards