Honeywell - Hydronic Heating Solultions
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.