Thermona Therm 20 CX.A 20 kW

Outdated Product

Energy source: gas; Installation: wall; Type: dual-circuit (heating and DHW); Heating area (m²): 160; Heat output (kW): 20; Coolant min. T (°C): 35; Coolant max. T (°C): 80; DHW min. T (°C): 35; DHW max. T (°C): 60; Performance (ΔT=25 °C) (L/min): 11.5; Control bus: OpenTherm; Efficiency (%): 90

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Thermona Therm 20 CX.A 20 kW

20 kW

28 kW

Energy source:gas

Mount:wall, dual-circuit

Boiler power:20 kW, area ~ 160 m²

Combustion chamber:open, flue 120 mm

DHW temperature:from 35 °С, up to 60 °С

FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"

All specifications

Specifications Therm 20 CX.A

Main
Energy source	gas
Installation	wall
Type	dual-circuit (heating and DHW)
Heating area	160 m²


Technical specs
Heat output	20 kW
Power supply	230 V
Power consumption	120 W
Coolant min. T	35 °С
Coolant max. T	80 °С
Heating circuit max. pressure	3 bar
DHW circuit max. pressure	6 bar


Consumer specs
DHW min. T	35 °С
DHW max. T	60 °С
Performance (ΔT=25°C)	11.5 L/min
Performance (ΔT ~30 °C)	8.2 L/min
"Summer" mode
Circulation pump
Control bus	OpenTherm

Boiler specs
Efficiency	90 %
Combustion chamber	open (atmospheric)
Flue diameter	120 mm
Inlet gas pressure	20 mbar
Max. gas consumption	2.3 m³/h
Expansion vessel capacity	8 L
Expansion vessel pressure	1 bar


Connections
Mains water intake	1/2"
DHW flow	1/2"
Gas supply	3/4"
Central heating flow	3/4"
Central heating return	3/4"


Safety
Safety systems	gas pressure drop water overheating flame loss draft control water circulation failure frost protection


More specs
Dimensions (HxWxD)	830x430x370 mm
Weight	33 kg
Added to E-Catalog	january 2016

FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"

Information in model description is for reference purposes.
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