TESY EV 500L 15/7 S2 2SP is a large floor-standing vertical buffer tank with a capacity of 500 liters, designed for high-power heating systems. Thanks to its two heat exchangers, advanced insulation and premium anti-corrosion protection, this model delivers maximum efficiency for large houses, cottages and commercial facilities.
Premium steel enamel-coated tank
The tank is manufactured from high-quality steel with CrystalTech PRO multilayer enamel, providing:
▪️ resistance to continuous thermal loads,
▪️ complete protection against rust and chemical reactions,
▪️ full hygienic safety for contact with water.
It is one of the most durable coatings available on the buffer-tank market.
Two powerful heat exchangers (S2)
▪️ allow the simultaneous connection of two heat sources,
▪️ ideal for systems combining solar collectors + boiler / electric heater / heat pump,
▪️ ensure high efficiency even with increased thermal demand,
▪️ accelerate heating of the 500-liter volume to operating temperature.
Next-generation thermal insulation
The tank is equipped with 50-mm CFC-FREE polyurethane insulation, ensuring minimal heat loss and high energy efficiency (ERP class C for 500 liters).
Functional construction for professional installation
▪️ floor-standing vertical installation,
▪️ top-positioned hydraulic connections — ideal for boiler rooms,
▪️ large service flange for maintenance,
▪️ recirculation inlet,
▪️ pockets for sensors and thermostats,
▪️ option to install a high-power electric heater (3–9 kW).
Reinforced anti-corrosion protection
▪️ two MG+ magnesium anodes,
▪️ extended tank lifespan, especially in systems with hard water,
▪️ easy anode replacement thanks to top access.
Additional advantages
▪️ modern PVC casing — resistant to impacts, moisture and temperature,
▪️ external temperature indicator,
▪️ stainless steel components,
▪️ TESY European-quality assembly.
Suitable for:
▪️ large houses and cottages 250–500 m²,
▪️ multi-source systems with boilers, solar collectors, electric heaters, heat pumps,
▪️ commercial spaces: hostels, workshops, mini-hotels, restaurants,
▪️ facilities with a high demand for DHW and heating.
*The information about the product, its specifications, and price is provided for reference purposes only and may differ from the actual details. Before purchasing, we recommend confirming availability, parameters, the current price, as well as instalment terms and active promotions with a consultant to ensure all information is accurate.