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Plus20 – IWH & gas boilers

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The superior and complete solution for fully condensing IWH (Instantaneous Water Heaters) and gas boilers. Capacity: 20 – 120 kW
Plus20 is the ultimate fully condensing heat exchanger for IWH and gas boilers.

Superior performance
Using Plus20 with its outstanding condensing capacity, can save up to 20 % of energy. Plus20 is therefore eligible for subsidies/rebates in several countries.

Superior functionality
Plus20 combines a water cooled burning chamber, a hot gas heat exchanger, and a high performing condensing heat exchanger, all into a single unit. All of the functions are integrated in one plate. The temperature of the leaving exhaust is ≈ 50°C, consequently metal evacuation tubes can be replaced with more cost efficient plastic (e.g. PVC).
The Compact design of Plus20 also results in reduced cost for the housing and the complete system.

Airec product - Plus 20 dimensions

Plus20-12

Plus20-20

Plus20-40

Energy input (kW)*
27.0 (32.7*)
45.3 (54.4*)
87.8 (108.8*)
Efficiency (%)*
99.0 (≈ 82.0*)
98.5 (≈ 82.0*)
98.5 (≈ 82.0*)
Energy output (kW)*
26.8 (26.8*)
44.6 (44.6*)
89.2 (89.2*)
Total energy saving/y (kWh)**
540
840
1990
Water, 20 to 60°C (l/min)
9.5
16.0
32.0
Dimensions (mm)
390x210x65
390x210x95
390x210x180

* (Standard non-condensing)
** Based upon standard values for yearly warm water consumption (60°C).
    53 m3 / 89 m3 / 178 m3
    (Plus 20-12 / Plus 20-20 / Plus 20-40)