Condensing gas boiler ecoTEC Pure VUW 236/7-2 HINT II

Description

Wall-mounted condensing gas boiler for heating and hot water Vaillant ecoTEC Pure VUW 236/7-2 HINT II

High quality, modern technology and advanced design combined with German know-how and experience of 140 years. This is Vaillant ecoTEC pure wall-mounted condensing gas boiler, for heating and hot water.

Smartly simple!  Technology, comfort and quality, at an affordable price for everyone !

• Maximum power in a small space
• High energy efficiency
• Combines easily with all thermostats and Vaillant products
• Easy maintenance thanks to its ergonomic design
• Adjustable performance
• System for continuous hot water supply
• Yield up to 108%

Technical Data

Nominal calorific power range P at 50/30°C (G 20) 7.2 - 20.2 kW

Nominal calorific value range P at 80/60°C (G 20) 6.5 - 18.5 kW

Lowest thermal stress (G 20) 6.8 kW

Nominal range of calorific power P at 50/30°C (G 31) 7.2 - 20.2 kW

Nominal range of calorific power P at 80/60°C (G 31) 6.5 - 18.5 kW

The lowest thermal stress (G 31) 6.8 kW

Maximum thermal load - hot water or boiler reheating (Q max.) 24.5 kW

Maximum thermal load - heating (Q max.) 19.1 kW

Heating mode

Seasonal energy yield class A

Maximum temperature on tour 75°C

Temperature adjustment range max. per tour (factory setting: 75oC) 30-80°C

Total allowable overpressure 3.0 bar

Nominal water flow rate (ΔT = 20 K) 797 l/h

Quantity approx. of condensate (pH value 3.5 ... 4.0) at the heating regime 50/30°C: 1.91 l/h

The capacity of the expansion vessel 8.0 liters

Domestic hot water regime

Energy efficiency class A

Minimum water flow 1.7 l/min.

Specific flow rate (D) (ΔT = 30 K) according to EN 13203 11.5 l/min.

Admissible overpressure 10 bar

Connection pressure required 0.30 bar

Domestic hot water outlet temperature range 35-60°C

Authorization category II2H3P

The diameter of the gas tube inches 1/2

Heating connections round / return on the side of the device inches 3/4

Connection pipe safety valve (min.) 15 mm

Nominal output at 80/60°C 96.9%

Nominal yield at 50/30°C 105.7%

Nominal yield in the partial load regime (30%) at 40/30°C 107.8%

G20 natural gas flow pressure 20 mbar. G31 propane gas flow pressure 37 mbar

Condensate drain pipe (min.) 21.5 mm

Gas flow at P max. - Hot water (G20) 2.6 m2/h

The smoke flow in the heating regime at P min. 3.2 g/s

Smoke flow in the heating regime at P max. 9.1 g/s

The smoke flow in the hot water preparation regime at P max. 11.7 g/s

Types of validated installations C13, C33, C43, C53, C83, C93, B33P, B53P

NOx class 6

Width x Depth x Height 440 x 335 x 720 mm. Net weight approx. 30.8 kg

Electrical connection 230 V, 50 Hz