Honeywell -
Hydronic Heating Solultions
Honeywell AQ475A Aquatrol Outdoor Temperature Compensator
for Boilers.
Help
Homeowners Lower Their Energy Cost By Up To 15%!* 
With faster setup for contractors
and increased energy efficiency for homeowners, the Honeywell Aquatrol Outdoor Temperature Control
is a win-win for everyone. The AQ475 varies the boiler temperature by
compensating for outdoor temperature changes, thus allowing the boiler
to operate at a lower temperature in mild seasons. The result is energy
savings up to15%for the homeowner.*And with its simple three-step
setup and reliable service, the AQ475 is a time-saver for contractors.
The AQ475A Aquatrol Outdoor Temperature Compensator automatically regulates boiler water temperature to provide outdoor reset. The DHW Priority option operates the boiler at the Boiler Maximum Temperature setting to heat domestic hot water and can operate or shut down the system circulator. The boiler High Limit safety function must still be provided by the boiler manufacturer's high limit.
*Savings can only be
achieved assuming Domestic Hot Water Priority is off and the
unit is installed as directed.
**Honeywell
Inc. 1979 Study; Control Systems Providing Energy Savings with
single and multizone Hydronic Heating. 15% is the
average energy savings.
The
Aquatrol AQ475 Outdoor Temperature Compensator includes the
following features and benefits:
-
Improves
Performance —saves energy by operating your boiler at a
lower temperature when conditions allow.
-
Warm
Weather Shutdown — shuts the boiler off automatically during warmer periods.
-
Domestic Hot Water Priority — ensures an adequate
supply of hot water, even for the last person in the shower.
-
Fewer Service Calls — the Aquatrol reduces system
wear by operating your boiler more efficiently.
-
Automatic System Circulator Exercising — prevents the
circulator from seizing up during the summer off cycle.
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