3.11.1 General piping best practices
Primary/secondary piping, or the use of a hydraulic separator (such as the Caleffi 549 SEP4™
4-in-1 Magnetic Hydraulic Separators) is recommended for maximum flexibility in multi-load
applications. Piping loads in parallel is also encouraged in systems that only have two loads, or
when loads are operating simultaneously. The extremely low pressure drop through the heat
exchanger affords more flexible options unavailable in other designs.
Caution
Contact local water purveyors about the suitability of the supply for use in hydronic
heating systems. If unsure about water quality, request testing and assessment
(and treatment, if required) from a local water treatment expert. Alternatively, water
or hydronic fluid of known quality can be brought to the site.
3.11.2 System piping
Note
The piping drawings in this manual are simple schematic guides to a successful
installation. For further information and details, consult our concept drawings –
which provide detail on specific single and multiple boiler applications (available in
IBC's Technical Information portal). There are many necessary components not
shown, and details such as thermal traps are left out so the drawings have greater
clarity. Our boilers must be installed by licensed and experienced heating
professionals familiar with the applicable local and national codes. System design
is to be completed by an experienced hydronic designer or engineer. You should
carefully read and follow the installation instructions along with the application
drawing that fits your system.
System piping is connected to the boiler using 1" NPT-Male threaded fittings. To simplify
servicing, we recommend using unions at the boiler's supply and return water connections.
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