Technical data

Energy saving condensing design
The use of a condensing appliance contributes to
achieving higher efficiency by incorporating a secondary
heat exchanger. Heat within the flue gases is used to
preheat the inlet water, and so recaptures energy that
would otherwise be lost.
Applications
The Bosch 32C water heater has been optimised for use
in domestic and commercial applications where there are
high demands for domestic hot water (DHW).
At 57.5kW heating output, the Bosch 32C water heater
offers the following performance:
3 Up to 16 litres per minute with 50ºC rise
3 Up to 32 litres per minute with 25ºC rise
The Bosch 32C water heater can be used with Natural
Gas (NG) or Liquid Petroleum Gas (LPG) and can be
installed in single appliances or multiples of up to 6
appliances. Extended flue lengths of up to 13m are
also possible, helping to provide even greater design
flexibility.
Large Domestic
A commercial condensing water heater is ideal for larger
applications where:
3 There is increased demand for domestic hot water
(DHW) – e.g. Multiple fixtures such as sinks and
showers
3 Pre-heated water supply is to be used – e.g. by solar
thermal
Typical examples include larger homes and small hotels.
Light commercial/non-domestic
Ideal for light commercial or non-domestic applications
with:
3 High demands for DHW – e.g. multiple fixtures such
as sinks and showers
3 Where demands for DHW are consistent throughout
the day
Commercial
Suitable for large commercial applications where there is:
3 Consistent high demands for DHW – e.g. laundries,
hospitals
3 Very high cyclic demands for DHW – e.g. hotels,
schools
Bosch 32C’s ability to use water pre-heated by renewable
heat sources supports planning and investment
requirements.
Such applications can take full advantage of the cascade
controls that are part of the Bosch 32C offering. These
controls provide the ability to deliver up to 192 litres per
minute of hot water on demand at a 25°C rise.
Certain commercial applications may also take advantage
of the ability to provide a hot water temperature of up to
85°C for sterilisation processes and secondary circulation.
The features of the 32C
commercial water heater
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Technical & Specification Information – Bosch 32 Series Water Heaters