Product Overview

Lochinvar’s Stainless Steel Buffer Tanks are designed to
provide thermal storage volume and hydraulic separation
of the boiler or heat pump and the building distribution
system. A properly applied buffer tank will reduce on/off
cycling (short cycling), which will lead to longer runtimes,
higher efficiencies and longer equipment life. Squire
buffer tanks can be used in geothermal, chilled water
applications, and any system with low-mass boilers.
Hydronic buffer tanks are utilized to provide thermal
storage volume when the system demand is less than
the lowest firing rate of the boiler. This occurs most
often when there are “micro” zones in the distribution
system whose demand is below the minimum firing rate
of the boiler. Under these conditions the boiler fires
at its minimum rate, which is more energy than can
be absorbed by the distribution system, and shuts off
because of high return temperatures before the “micro”
zone’s call for heat is satisfied. The boiler system
continues to receive a call for heat and fires again. The
“micro” zone cannot absorb all the energy produced by
the boiler, and again the boiler shuts off because of high
return temperatures. With the volume provided by the
tank the additional energy not utilized by the “micro”
zone can be stored in the buffer tank and used when
there are additional heating demands.
Lochinvar’s Squire Buffer tanks also function as hydraulic
separators, effectively separating the flow in the boiler
loop from the flow in the distribution system. This is
beneficial when the flow rate in the distribution system
is different than the flow rate of the boiler system. It can
be very important when there is a variable speed pump
in the distribution system whose flow rate can be less
than that of the boiler pump.
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Lochinvar.com
Stainless Steel Buffer Tanks
Stainless Steel Hydronic Buffer Tanks
Thermal Storage
Hydraulic Separation
Capacities from
30 - 120 Gallons
5 Year Limited Warranty