Buffer Tank Piping
When installing low mass systems, additional water
mass may be required to avoid short cycling by the
boiler. In these applications it is recommended that a
buffer tank be installed.
Buffer Tank on Central Heat Circuit Using Internal Boiler Circulator
Note:
• DHW piping not shown for clarity. Reference applicable sections of this
manual for DHW piping details.
• Internal Boiler circulator used on Primary circuit.
Cut Manifold
EXTERNAL BUFFER TANK - PIPING DIAGRAM
Use Stubs To
Connect To Boiler
PURGE
VALVE
H2O Stainless
Steel Buffer
Tank
24
SEPARATOR
Increase
Pipe Size
to Match
Buffer Tank
Connections
PN 240012875 REV. D [03/15/2022]
MAGNETIC
DIRT