Condensing gas boiler ecoTEC Pure VUW 286/7-2 HINT II

Description

Wall-mounted condensing gas boiler for heating and hot water Vaillant ecoTEC Pure VUW 286/7-2 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%

Techincal Data

Nominal calorific power range P at 50/30°C (G 20) kW 8.3 - 26.1
Nominal calorific power range P at 80/60°C (G 20) kW 7.5 - 24.0
The lowest thermal demand (G 20) kW 7.8
Nominal calorific power range P at 50/30°C (G 31) kW 8.3 - 26.1
Nominal calorific power range P at 80/60°C (G 31) kW 7.5 - 24.0
The lowest thermal demand (G 31) kW 7.8
Maximum thermal load - hot water or boiler reheating (Q max.) kW 28.6
Maximum thermal load - heating (Q max.) kW 24.8
Heating mode
Seasonal energy yield class A
Maximum flow temperature °C 75
Temperature adjustment range max. on tour (factory settings: 75oC) °C 30 - 80
Total allowable overpressure bar 3.0
Nominal water flow (ΔT = 20 K) l/h 1033
Quantity approx. of condensate (pH value 3.5 ... 4.0) at the heating regime 50/30°C l/h 2.48
Expansion vessel capacity l 8.0
Domestic hot water regime
Energy efficiency class
Minimum water flow l/min 1.7
Specific flow rate (D) (ΔT = 30 K) according to EN 13203 l/min 13.5
Admissible overpressure bar 10
Connection pressure required bar 0.30
Domestic hot water outlet temperature range °C 35-60
Authorization category II2H3P
Gas tube diameter 1/2 inch
Round / return heating connections on the side of the device 3/4 inch
Connection pipe safety valve (min.) mm 15
Nominal yield at 80/60°C % 97
Nominal yield at 50/30°C % 105.4
Nominal yield in partial load mode (30%) at 40/30°C % 107.8
Natural gas flow pressure G20 mbar 20
G31 propane gas flow pressure mbar 37
Condensate drain pipe (min.) mm 21.5
Gas flow at P max. - Hot water (G20) m2/h 3.0
The smoke flow in the heating regime at P min. g/s 3.7
Smoke flow in the heating regime at P max. g/s 11.8
The smoke flow in the hot water preparation regime at P max. g/s 13.6
Validated installation types C13, C33, C43, C53, C83, C93, B33P, B53P
NOx class 6
Width x Depth x Height mm 440 x 335 x 720
Net weight approx. kg 30.8
Electrical connection V/Hz 230 / 50