Garanzia Italiana 24 mesi
Thermomec  |  SKU: CALD_1993_coassiale copia


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Technical features

Heating performance:
Thermal capacity (min/nom.): 2.5/25 kW;
Power (min/max): 10.5/24.3 kW;
Temperature (min./max): 38/85 °C;
Pressure (min./max): 0.3/3 bar;

Performance in healthcare:
Nominal heat input sanitary: 25 kW;
Useful power (60/80 °C): 24.4 kW;
Temperature (min./max): °C 35/60;
Pressure (min./max): 0.3/10 bar;
Maximum flow rate Δt=25°C 13.9 l/min;

Useful head of the generator (1000 l/h): 250 mbar;
Electrical power at rest: 3 W;
Load efficiency (min/max): 95.1/97.2 %;
Total capacity of the expansion vessel: 6 l;
Electrical protection rating IPX4D;

Composed of:
Digital control panel and backlit display;
Copper lamellar primary exchanger with high exchange surface and double circulation;
Stainless steel plate sanitary exchanger;
Aluminum heat recuperator for the exploitation of the heat of the fumes for water heating;
Electronic card for:
Frequency adjustment during start-up;
Circulator mode selection;
Adjustable primary circuit thermal inertia disposal;
Magnetic sanitary flow switch;
Absolute heating pressure switch;
Immunity from radio interference;
Sanitary magnetic flow switch;
Absolute heating pressure switch;
Possibility of integrating the boiler with OPTIONAL THERMOMEC solar systems.

Chimney sweep function;
Integrated automatic by pass;
Circulator anti-blocking;

General characteristics

The RD-MHP ST condensing boiler is designed for common systems, furthermore combining MULTIzone makes it easily adaptable to new underfloor systems, MULTIzone is the device for distributing hot heating water in multiple rooms. RD-MHP is the traditional boiler, but with significantly higher efficiency than common boilers at the same operating temperature. The R-MHP S boiler is composed of a built-in aluminum HEAT RECOVERY, which has a coil with fins that allow a high exchange surface, and has a control device that ensures correct condensate discharge. This system allows the accumulation of heat emanating from the exhaust fumes before escaping, thus heating the water directed into the primary exchanger.

Summer/winter/off button;
Heating and DHW temperature shown on the display;
Fault diagnostics and block status shown on the display;
Reset button;
Temperature regulator for both heating and domestic hot water;
Provision for remote control;
Easily accessible electrical connections;
Predisposition for external probe.


(HxWxD):803x400x350 mm; Weight: 47.5 kg


All products for sale on our site are new and packaged. The warranty on this item is 24 months from the date of purchase.

Scheda Tecnica

  • peso: 35.0 kg
  • marca: Thermomec
  • modello: CALD_19936
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