Low water cut-off (LWCO): the IBC EX series comes factory-equipped with an internally
mounted Certified Low Water Cut-Off. Sometimes an external device is required by local
jurisdiction. These devices have specific installation requirements not illustrated here.
Consult the IBC factory or the LWCO manufacturer for proper application of these
devices.
Pressure relief valve (ships with boiler): no isolation valve permitted between boiler and
relief valve.
Tridicator / external pressure and temperature gauge (ships with boiler).
Optional external water high limit (manual reset). The IBC EX series comes factory-
equipped with an internally mounted manual reset mechanical water temperature high
limit. It can be fitted with an external manual reset mechanical water temperature high
limit if required by local jurisdiction.
To supply manifold
From return manifold
Optional flow switch: follow manufacturer’s instructions. Typical requirements include
installing on a horizontal run, with at least five (5) pipe diameters of straight piping both
upstream and downstream of flow switch, and ensuring proper paddle engagement for
the piping size.
Integrated boiler drain
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