Boiler Stalmark DUO-PID 26 kW

The device was equipped with the newest technological and constructional solutions which reduces emission of fumes and fuel consumption. The boiler is equipped with a ST-709 steering with the PID algorithm and fumes temperature sensor. It operates the feeder, airflow and 4 pumps: central heating, domestic hot water, circulation and floor pump. 
Additionally, this device can cooperate with two mixing valves: three-way and four-way one.

Advantages of STALMARK DUO PID boiler:
exchanger made of attested steel: 6-8 mm
two furnaces: automatic and traditional high efficiency
possibility of work in a summer mode
boiler designed for constant work
possibility to connect domestic hot water exchanger

Warranty:
4 years for tightness
2 years for other elements 

Power output	26 kW
Exhaust gas pipe diameter	180 mm
Weight	473 kg
Efficiency	90 %
Size of heated surface	250 m²
Water capacity	80 L
Boiler heating surface	2.9 m²
Height	1590 mm
Width	1130 mm
Depth	710 mm
Max working pressure	1.5 bar
Required chimney draught	29 Pa
Outlet and inlet size	6/4 inch
Power supply	230 V