Dark mode
USA
Catalog   /   Climate, Heating, Water Heating   /   Heating & Boilers   /   Boilers   /   Italtherm

Italtherm CITY CLASS 28 C 25.5 kW

Photos - Boiler Italtherm CITY CLASS 28 C 25.5 kW
Outdated Product
Energy source: gas; Installation: wall; Type: dual-circuit (heating and DHW); Heating area (m²): 204; Heat output (kW): 25.5; Coolant min. T (°C): 35; Coolant max. T (°C): 80; DHW min. T (°C): 35; DHW max. T (°C): 55; Performance (ΔT=25 °C) (L/min): 14.6; Heated floor mode; Efficiency (%): 90.1
add to listmy lists
Italtherm CITY CLASS 28 C 25.5 kW
23.3 kW
25.5 kW
Energy source:gas
Mount:wall, dual-circuit
Boiler power:25.5 kW, area ~ 204 m²
Combustion chamber:open, flue 140 mm
DHW temperature:from 35 °С, up to 55 °С
All specifications
Specifications CITY CLASS 28 C
Main
Energy sourcegas
Installationwall
Typedual-circuit (heating and DHW)
Heating area204 m²
Technical specs
Heat output25.5 kW
Min. heat output10 kW
Power supply230 V
Power consumption95 W
Coolant min. T35 °С
Coolant max. T80 °С
Heating circuit max. pressure3 bar
DHW circuit max. pressure6 bar
Consumer specs
DHW min. T35 °С
DHW max. T55 °С
Performance (ΔT=25°C)14.6 L/min
"Summer" mode
Heated floor mode
Circulation pump
Boiler specs
Efficiency90.1 %
Combustion chamberopen (atmospheric)
Flue diameter140 mm
Inlet gas pressure20 mbar
Max. gas consumption2.99 m³/h
Expansion vessel capacity8 L
Expansion vessel pressure1 bar
Connections
Mains water intake1/2"
DHW flow1/2"
Gas supply1/2"
Central heating flow3/4"
Central heating return3/4"
Safety
Safety systemsgas pressure drop
water overheating
flame loss
draft control
water circulation failure
frost protection
More specs
Dimensions (HxWxD)727x400x300 mm
Weight26.8 kg
Official Websiteen.italtherm.it
Added to E-Catalogaugust 2017
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Italtherm 2025 - new arrivals, bestsellers, and the most relevant models Italtherm.
FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
Filters
Models
Brands
(energy source) 
gas 
Out of stock
CITY CLASS 28 C