Válvula mezcladora termostática ESBE solar serie VTS520 - Q-Tech ®
Válvula mezcladora termostática ESBE solar serie VTS520 - Q-Tech ®

ESBE Solar thermostatic mixing valve Series VTS520

Regular price€148,00
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The ESBE thermostatic mixing valves series VTS520 and VTS550 offer high flow capacity and high functionality for domestic hot water distribution connected to solar heating systems with high water temperatures.


Series VTS520/VTS550 are the number one choice for domestic hot water distribution connected to solar heating systems, where the high water temperatures require extra durable components. The VTS520/VTS550 offers an in-line scald safe* function and are suitable for use where further temperature control devices have been installed at the water taps. These series of valves are also suitable for domestic hot water installations equipped with HWC (hot water circulation).


VTS520 has asymmetrical flow pattern, VTS550 has symmetrical flow pattern. Scald safe*.


The product range includes a wide choice of valves delivered with adapter fitting kits, each including three adapter fittings and two check valves, which facilitate easy installation and maintenance. 

Supplied with a top cover, unless otherwise stated.
*) Scald safe means that in the case of a cold water failure, the hot water supply shuts off automatically.


These valves can handle the following types of media: 

- Fresh water / Potable water

- Closed systems

- Water with antifreeze additive (glycol ≤ 50% mixture


Temperature range 45 to 65°C

  • External thread 1" Male
  • External thread 1 1/4" Male 
  • With adapters 3/4"


    Download Installation instruction

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    Don't just trust our words.


    Servicio 10!,

    Problemas con el transporte y tras un whatsapp y una llamada al día siguiente recibimos nuestro robot.

    Nos llamaron para confirmar que estaba todo ok muy recomendable.

    Esther L. S.

    Marbella, Málaga


    Material recibido en 48hrs,

    20 minutos al teléfono para las dudas de instalación y GRACIAS GRACIAS GRACIAS.

    Profesionales 100%

    Álvaro P.

    B. de Salamanca, Madrid


    5 Stars. We are a family of 5, and we can't be happier with the hot water. After researching low-consumption hot water systems for nearly a month, we opted for the hot water heat pump. Delivery took only 3 days from the online order.

    There was a one-day delay in delivery due to the package's height, but everything else was perfect.

    Thank you :)

    Angela R. y Lucas A.

    El Limonar, Málaga