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Thermex Surf 3500 (211 013)

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One of the younger models in the Surf family of instantaneous water heaters from the Thermex brand. The productivity of the device is at the level of 1.4 l/min (implies water heating at 35 °C). The body is made of heat-resistant plastic. Spiral heating element is created on the basis of stainless steel. Anti-scale protection is provided. The model is well suited for equipping a single water intake point. The maximum water heating temperature is 60 °C. The Thermex Surf 3500 instantaneous boiler is recommended for use in showers. The delivery set includes a shower head and a hose. Additionally, the kit includes a coarse mesh filter. A water heater can also be used for a kitchen sink, as well as a bathroom sink. The installation point can be either below or above the level of the sink. The mo...del is installed vertically, pipe supply is allowed both from above and from below. The boiler can also be connected to two water intake points, but in this case you will need to turn on the water one by one. The model is protected against air locks. Additionally, the device is protected from overheating. If there is a lack of water, the heating element automatically turns off. The device has a compact body with overall dimensions of 20x13.5x6.8 cm.
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Thermex Surf 3500
Main
Typetankless
Energy sourcemains
Installationvertical
Tank shaperectangular
Technical specs
Power source230 V
Energy efficiency classA
Power consumption3500 W
Performance (Δt ~25 °C)2 L/min
Water supplywithout pressure
Heating elements1
Heating element typeheating coil
Features
Safety systemsoverheat protection
dry heating protection
General specs
Pipe connectioninstallation dependent
Shower head
Dimensions (HxWxD)20x13.5x6.8 cm
Weight1.3 kg
Added to E-Catalogmarch 2018
P/N
211 013

One of the younger models in the Surf family of instantaneous water heaters from the Thermex brand. The productivity of the device is at the level of 1.4 l/min (implies water heating at 35 °C). The body is made of heat-resistant plastic. Spiral heating element is created on the basis of stainless steel. Anti-scale protection is provided. The model is well suited for equipping a single water intake point.

The maximum water heating temperature is 60 °C. The Thermex Surf 3500 instantaneous boiler is recommended for use in showers. The delivery set includes a shower head and a hose. Additionally, the kit includes a coarse mesh filter. A water heater can also be used for a kitchen sink, as well as a bathroom sink. The installation point can be either below or above the level of the sink. The model is installed vertically, pipe supply is allowed both from above and from below. The boiler can also be connected to two water intake points, but in this case you will need to turn on the water one by one. The model is protected against air locks. Additionally, the device is protected from overheating. If there is a lack of water, the heating element automatically turns off. The device has a compact body with overall dimensions of 20x13.5x6.8 cm.

Information in model description is for reference purposes.
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Video reviews

Gravity connection

The compact “flow tank” Thermex Surf 3500 is intended for producing hot water for domestic purposes. The model is suitable for non-pressure water supply systems - when connected to a centralized water supply, a reduction reducer or valve is installed in front of it to regulate the intensity of the flow. A spiral heating element with a power of 3500 W is responsible for heating water in the design of the device. The boiler must be plugged into a reliable grounded outlet, and a 16 A circuit breaker must be installed on the line to it.

Basic performance

With an average flow rate of about 2 l/min. The boiler increases the water temperature by approximately 25 °C. It can be installed either with the terminals facing down or up. At the same time, the model implements protection against dry operation - if there is no water flow, the spiral heater automatically turns off. This prevents potential problems with equipment failure.

Shower head

Out of the box, the Thermex Surf 3500 is equipped with a shower hose with a shower head and a nozzle holder. And for the convenience and speed of installation of the water heater, a special mounting panel on the wall is provided separately. The “flow tank” must be operated in closed heated rooms. It will serve as a convenient solution for small apartments with small kitchens and bathrooms.

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