Technical characteristics:

• ecoTEC plus VUW 26
• ecoTEC plus VUW 32
• ecoTEC plus VUW 36
• ecoTEC plus VUW 40

Space heating energy efficiency: A

Seasonal space heating energy efficiency ηS %: 94

Nominal thermal power Prated kW:

• 20
• 25
• 30
• 35

Domestic hot water load profile / Domestic hot water energy efficiency: XL / A

Nominal heating output at 80/60°C kW:

• 2.4 - 19.7
• 3.4 - 25.0
• 3.5 - 29.9
• 4 - 34.8

Nominal heating output at 50/30°C kW:

• 2.7 - 21.0
• 3.9 - 27.0
• 3.9 - 33.3
• 4.3 - 37.7

Domestic hot water output kW:

• 26
• 31.8
• 35.6
• 39.7

Heating:

Heating water temperature range °C: 30 - 80

Maximum heating circuit pressure bar: 3

Heating water flow rate (ΔT=20K) with 2.5m water column l/h:

• 846
• 1070
• 1283
• 1498

Hot water:

Minimum domestic water flow rate l/min: 2

Hot water flow rate (ΔT=30K) l/min:

• 12.4
• 15.1
• 17.0
• 19.4

Maximum allowable domestic water circuit pressure bar: 10

Required minimum pressure bar: 0.30

Domestic water temperature range °C: 35 - 65

General information:

Gas connection mm: 15