Thermona THERM 28 CX

Code: 1010/2265

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Brand: THERMONA

1 425,84 € –34 %

1 425,84 € –34 % 932,28 € / pcs

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Product detailed description

Thermona THERM 28 CX low-temperature wall-mounted boiler with instantaneous DHW heating

Version: flue into the chimney

In the design of the CX series boilers, i.e. combi boilers with instantaneous DHW heating, a unique „direct heating“ technology is used. Thanks to a coaxial system - a tube within a tube - both the heating water and the domestic hot water are heated directly by the burner flame in the primary heat exchanger. The boiler is fitted with this special bithermic heat exchanger. The exchanger not only allows fast draw-off of hot domestic water, but naturally also saves gas and water consumption.

TECHNICAL DATA	unit	28 CX	28 TCX
Maximum heat input	kW	31	31
Heat output for heating min-max	kW	12 - 28	13 - 28
Heat output for DHW heating	kW	28	28
Gas consumption: - natural gas	m³/h	1,40 - 3,25	1,50 - 3,25
- propane	m³/h	0,50 - 1,20	0,55 - 1,20
DHW flow rate at Δt - 25 ^oC	l/min	16,1	16,1
Δt - 35 ^oC	l/min	11,4	11,4
Max. heating system overpressure	bar	3	3
Max. DHW outlet pressure	bar	6	6
Max. outlet temperature of heating water	^oC	80	80
Max. noise level per ČSN 01 16 03	dB	52	52
Boiler efficiency	%	90	90
Rated electrical input	W	120	150
Degree of protection of electrical parts		IP 41	IP 41
Environment per ČSN 33 20 00-3		basic AA5/AB5	basic AA5/AB5
Expansion vessel volume	l	10	10
Dimensions: height / width / depth	mm	830/500/367	830/500/367
Flue diameter	mm	130	60/100
Boiler weight	kg	37	44