EcoTec Plus VMW ES 346 / 5-5 Vaillant condensing boiler

Vaillant's EcoTec Plus VMW ES 346 / 5-5 condensing boiler is mixed for domestic hot water and heating. With a power of 34kW. Ideal for homes of up to 240 meters and three bathrooms. Thanks to its electronic air-gas combustion system and its high efficiency pump, it provides high performance with the lowest consumption. Easy to use through its display that will inform you at all times about the status of its operation.
Integrated 3-way valve and accumulator management.

Its FLiDe (Flame Lift Detection) flame checking system manages not to leave the user without service in case of detecting a combustion fault.

This boiler incorporates a high efficiency pump in this boiler so that electricity consumption is reduced whether the boiler is running or not.

It complies with current regulations for the replacement of boilers with smoke evacuation through the facade of the house. The Vaillant EcoTec Plus VMW ES 346 / 5-5 condensing boiler is for natural gas, and it is also approved for propane (transformation carried out by the Vaillant SAT).

The Vaillant EcoTec Plus VMW ES 346 / 5-5 condensing boiler is prepared for support operation of solar systems.

Main features of the EcoTec Plus VMW ES 346 / 5-5 condensing boiler:
- Electronic air-gas combustion system Ecotec VMW ES 346 / 5-5 panel
- Vaillant comfort safe: Emergency operating system.
- High efficiency pump.
- Comfort ACS according to prEN 13203.
- Power difference for heating and DHW.
- Intelligent microaccumulation.
- Aquaplus system.
- ProE connections.
- Diagnostic system with large and intuitive backlit Disply.
- Display with text.
- 10 liter expansion vessel.
- Anti-scale system.
- Class 5 NOx.
- Heating filling valve with non-return valve.
- Reduced consumption in Stand-by.
- Energy efficiency class Sanitary water / Heating: A / A

- 2 years warranty

Technical characteristics of the EcoTec Plus VMW ES 346 / 5-5 condensing boiler:
-Model: Ecotec Plus 346 / 5-5
-Useful power range 80 / 60ºC: 5.8-30.0 kW
-Useful power range 50 / 30ºC: 6.4-32.5 kW
-Rated performance Qmin / Qmax: 98%
-Efficiency at 30% power: 109.4%
-Seasonal energy efficiency: 94%

Heating:
- Heating power adjustment range: 6-30 kW
- Maximum flow temperature: 85ºC
- Maximum flow temperature setting range (factory setting: 75ºC): 30-80 ºC
- Maximum pressure: 3 bar
- Volume of the expansion vessel: 10 L
- Volume of circulating water T = 20K: 1290 L / h
- Available pump pressure: 250 mbar

Domestic hot water:
- Power in DHW: 34.0 kW
- Minimum flow: 1.5 L / min
- Specific flow T = 30K: 16.2 L / min
- Specific flow T = 20K: 19.4 L / min
- Maximum pressure: 10 bar
- Connection pressure: 0.35 bar
- Temperature range: 35-65ºC

Conbustion:
- Min (G31) / max flue gas flow: 2.8 (4.1) / 15.7g / s
- Min / max smoke temperature: 40 / 80ºC
- Quantity approx. condensation water in heating at 50 / 30ºC: 3.1 L / h
- Nox class: 6
- Interior sound power level (Lwa): 46 dB (A)

- Evacuation duct: 60 / 10mm diameter
- Weight: 39.5 kg.
- Dimensions (Height x Width x Depth, in mm.): 720x440x372.