Very quiet operationThe Weishaupt BiBloc is one of the quietest units on the market. The sound pressure level of the WBB 12's outdoor unit [A7/W35] is just 35 dB(A) at a distance of 1.5 m. That corresponds to the most stringent limits mandated by the Technical Instruction on Noise Abatement (TA Lärm), such as those in place for hospitals and sanitoria.
Standard equipment levels are high and include a venting system, sludge separation system, all fittings for cooling operation, and a volume flow sensor with integral heat metering, as well as a second heat generator for heating and hot water.
A system controller with a colour Display 
and LED function bar facilitates intuitive control of the heat pump.
BenefitsThe large-area evaporator located in the outdoor unit has a special BlueFin coating for increased protection against corrosion.
The indoor unit is clad in highly effective composite sound insulation and thus operates extremely quietly.
The innovative refrigeration circuit enables modulating operation and works reliably in outdoor temperatures as low as -22 °C.
ConvenienceSteam injection achieves temperatures of up to 65 °C. That ensures a high level of hot-water convenience and optimal hygiene.
The WKS 300/100 LE combi-cylinder serves as the interface between the heat pump and the building's heating circuit. Standard equipment includes a 300-litre DHW cylinder, a 100-litre buffer tank, and a circulation pump rated Class A for energy efficiency.
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