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Delta

The Delta range is ideal for large, single-family houses and for installations that consume large amounts of domestic hot water: jacuzzi and hydro-massage baths, multi-jet showers, etc.

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Delta Classic G20

Combined natural gas-fired boiler and water heater with atmospheric burner

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Input max. (heating) (kW) : 26,8
Output power max. (80/60°C) (kW) : 23,2
Capacity (total) (L) : 178,5
Dim. - Width or Diameter (w/o conn.) (mm) : 540
Dim. - Depth (w/o conn.) (mm) : 685
Dim. - Height (w/o conn.) (mm) : 1697
Peak flow at 40 °C (L/10’) : 266

Delta Classic G25

Combined natural gas-fired boiler and water heater with atmospheric burner

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Input max. (heating) (kW) : 33,2
Output power max. (80/60°C) (kW) : 28,7
Capacity (total) (L) : 167,5
Dim. - Width or Diameter (w/o conn.) (mm) : 540
Dim. - Depth (w/o conn.) (mm) : 685
Dim. - Height (w/o conn.) (mm) : 1697
Peak flow at 40 °C (L/10’) : 339

Delta Classic G30

Combined natural gas-fired boiler and water heater with atmospheric burner

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Input max. (heating) (kW) : 39
Output power max. (80/60°C) (kW) : 34
Capacity (total) (L) : 167,5
Dim. - Width or Diameter (w/o conn.) (mm) : 540
Dim. - Depth (w/o conn.) (mm) : 685
Dim. - Height (w/o conn.) (mm) : 1697
Peak flow at 40 °C (L/10’) : 339

Delta Classic P30

Combined propane gas-fired boiler and water heater with atmospheric burner

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Input max. (heating) (kW) : 40
Output power max. (80/60°C) (kW) : 34,4
Capacity (total) (L) : 167,5
Gas type () : Propane
Dim. - Width or Diameter (w/o conn.) (mm) : 540
Dim. - Depth (w/o conn.) (mm) : 685
Dim. - Height (w/o conn.) (mm) : 1697
Peak flow at 40 °C (L/10’) : 339

Delta Performance 25

Combined fuel oil/gas-fired boiler and water heater (chimney)

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Input max. (heating) (kW) : 33
Input min. (heating) (kW) : 25
Output power max. (80/60°C) (kW) : 29
Capacity (total) (L) : 157
Dim. - Width or Diameter (w/o conn.) (mm) : 542
Dim. - Depth (w/o conn.) (mm) : 565/818
Dim. - Height (w/o conn.) (mm) : 1497
Peak flow at 40 °C (L/10’) : 268

Delta Performance 35

Combined fuel oil/gas-fired boiler and water heater (chimney)

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Input max. (heating) (kW) : 45
Input min. (heating) (kW) : 33
Output power max. (80/60°C) (kW) : 40
Capacity (total) (L) : 178
Dim. - Width or Diameter (w/o conn.) (mm) : 542
Dim. - Depth (w/o conn.) (mm) : 565/818
Dim. - Height (w/o conn.) (mm) : 1697
Peak flow at 40 °C (L/10’) : 285

Delta Performance 45

Combined fuel oil/gas-fired boiler and water heater (chimney)

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Input max. (heating) (kW) : 61
Input min. (heating) (kW) : 42
Output power max. (80/60°C) (kW) : 54
Capacity (total) (L) : 132
Dim. - Width or Diameter (w/o conn.) (mm) : 542
Dim. - Depth (w/o conn.) (mm) : 565/818
Dim. - Height (w/o conn.) (mm) : 1497
Peak flow at 40 °C (L/10’) : 316

Delta Performance 55

Combined fuel oil/gas-fired boiler and water heater (chimney)

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Input max. (heating) (kW) : 69
Input min. (heating) (kW) : 50
Output power max. (80/60°C) (kW) : 62
Capacity (total) (L) : 162
Dim. - Width or Diameter (w/o conn.) (mm) : 542
Dim. - Depth (w/o conn.) (mm) : 565/848
Dim. - Height (w/o conn.) (mm) : 1697
Peak flow at 40 °C (L/10’) : 362

Delta Performance 35 FV

Combined fuel oil-fired boiler and water heater (balanced flue)

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Input max. (heating) (kW) : 34,9
Output power max. (80/60°C) (kW) : 32,6
Capacity (total) (L) : 127
Dim. - Width or Diameter (w/o conn.) (mm) : 542
Dim. - Depth (w/o conn.) (mm) : 800
Dim. - Height (w/o conn.) (mm) : 1585
Peak flow at 40 °C (L/10’) : 291

Delta Performance 35 SV

Combined gas-fired boiler and water heater with stabile pre-mix burner (balanced flue)

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Input max. (heating) (kW) : 34,9
Output power max. (80/60°C) (kW) : 31,9
Capacity (total) (L) : 127
Dim. - Width or Diameter (w/o conn.) (mm) : 542
Dim. - Depth (w/o conn.) (mm) : 800
Dim. - Height (w/o conn.) (mm) : 1585
Peak flow at 40 °C (L/10’) : 291

Delta Performance 35 MV

Combined gas-fired boiler and water heater with modulating pre-mix burner (balanced flue)

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Input max. (heating) (kW) : 34,9
Input min. (heating) (kW) : 10
Output power max. (80/60°C) (kW) : 32
Efficiency (max. output) 80/60°C (%) : 92,9
Capacity (total) (L) : 127
Dim. - Width or Diameter (w/o conn.) (mm) : 542
Dim. - Depth (w/o conn.) (mm) : 800
Dim. - Height (w/o conn.) (mm) : 1585
Peak flow at 40 °C (L/10’) : 291

Delta Performance 50 FV

Combined fuel oil-fired boiler and water heater (balanced flue)

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Input max. (heating) (kW) : 50
Output power max. (80/60°C) (kW) : 46,8
Capacity (total) (L) : 162
Dim. - Width or Diameter (w/o conn.) (mm) : 542
Dim. - Depth (w/o conn.) (mm) : 800
Dim. - Height (w/o conn.) (mm) : 1830
Peak flow at 40 °C (L/10’) : 377

Delta Performance 50 SV

Combined gas-fired boiler and water heater with stabile pre-mix burner (balanced flue)

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Input max. (heating) (kW) : 50
Output power max. (80/60°C) (kW) : 46,7
Capacity (total) (L) : 162
Dim. - Width or Diameter (w/o conn.) (mm) : 542
Dim. - Depth (w/o conn.) (mm) : 800
Dim. - Height (w/o conn.) (mm) : 1830
Peak flow at 40 °C (L/10’) : 328

Delta Performance 50 MV

Combined gas-fired boiler and water heater with modulating pre-mix burner (balanced flue)

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Input max. (heating) (kW) : 50
Input min. (heating) (kW) : 15
Output power max. (80/60°C) (kW) : 46,7
Efficiency (max. output) 80/60°C (%) : 93
Capacity (total) (L) : 162
Dim. - Width or Diameter (w/o conn.) (mm) : 542
Dim. - Depth (w/o conn.) (mm) : 800
Dim. - Height (w/o conn.) (mm) : 1830
Peak flow at 40 °C (L/10’) : 328

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The product range offered can vary according to country. Please consult your distributor.
All values indicated on this site are provided for information only. Please refer to our legal notice.
The following operating conditions were used to generate hot water output data for our products:

Supply water: 10°C
Primary water: 80°C (boilers), 85°C (water heaters) or 90°C (HeatMaster)

Operating conditions
Cold water: 10°C
Delta T° (outlet) : 30°C
Data provided are indicative only. Please read the complete disclaimer.

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