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Model 8052 Temperature Sensor

Installation Instructions

The Aprilaire® Model 8052 temperature sensor can be used 
with Aprilaire thermostats, support modules, zone controls 
and the Home Comfort Control™. 

InSTallaTIon InSTrucTIonS

STep 1 – InSTall SenSor baSed on The applIcaTIon

return air Temperature 

•   Locate the Aprilaire Model 8052 sensor in the return at 

least 6" upstream from the fresh air intake so the fresh air 
does not influence the sensor reading (see 

fIgure 2

).

•   Drill a 3/8" hole in the duct and mount the sensor with the 

supplied screw and mounting bracket (see 

fIgure 1

). 

leaving air Temperature

•   Locate the Aprilaire Model 8052 sensor in the supply trunk, 

after the heat exchanger and cooling coils (see shaded 
area in 

fIgure 2

). 

•   Shield or mount away from direct radiation sources such as 

sunlight, UV lights, heat exchangers or cooling coils.

•   Drill a 3/8" hole in the duct and mount the sensor with the 

supplied screw and mounting bracket (see 

fIgure 1

). 

outdoor Temperature

•   Locate the Aprilaire Model 8052 sensor on the side of the 

building out of direct sunlight (see 

fIgure 3

).

•   Place above the snow line.

•   Place at least 3' away from exhaust vents and condensing 

lines.

•   Do not install inside outdoor condensing unit. 

remote radiant heat

•   Locate the Aprilaire Model 8052 sensor in a radiant floor 

system.

3/8" DIAMETER HOLE

DUCT SENSOR PROBE

SUPPLIED WIRE NUTS

SUPPLIED #8

SHEET METAL SCREW

90-630

fIgure 1

NORTH, EAST

OR WEST SIDE

OF HOME  

TEMPERATURE

SENSOR LEADS 

ABOVE EXPECTED

SNOW LINE 

TEMPERATURE

SENSOR 

SENSOR

SENSOR

BRACKET

90-998

fIgure 3

6" MIN.

FRESH AIR INTAKE

SUPPLY DUCT

RETURN DUCT

RETURN AIR LOCATION

LEAVING AIR

LOCATION

NOTE: 

THE EXAMPLE SHOWN 

IS FOR AN UPFLOW FURNACE.

90-2039

fIgure 2

1

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