IBC SL Series Installation & Operating Manual page 57

Note
External devices shown on this drawing are not supplied by IBC as standard
equipment except for the pressure relief valve and internal LWCO. The other
devices can be provided by your IBC distributor or by special order from IBC.
Figure 36 Trim for multiple boiler installations
Pressure relief valve (supplied by IBC)
Auto air vent with isolation valve (available separately as P-195)
Pipe to drain
Low water cut-off: An internally mounted UL 353 Certified Low Water Cut-Off (LWCO) is
factory-installed. In some instances, an external device may be required by local
jurisdiction, which may have specific installation requirements not illustrated. When
required, consult with IBC or the LWCO manufacturer for proper application.
Optional external water high limit (manual reset): An internally mounted manual reset
mechanical water temperature high limit is factory-installed. An external manual reset
mechanical water temperature high limit can be fitted if required by local jurisdiction.
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3.11.2 System piping