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
H2O Stainless
Use Stubs To
Connect To Boiler
Steel Buffer
Tank
24
MAGNETIC
DIRT
SEPARATOR
PURGE
VALVE
PN 240011430 REV. P [09/15/2021]
Increase
Pipe Size
to Match
Buffer Tank
Connections