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HONEYWELL® PROGRAMMABLE THERMOSTATS
Link to Honeywells site for pdf file of Product Data ¹
Chronotherm™ IV, 7 day Programmable.
Outdoor temperature sensors
OBSOLETE
Link to the T8611 Help with Selection Page
Product Installation Data-
Owner's Manual & Installation Data and Troubleshooting-
Part Number
Details
Color Minimum
Quantity
Price each
T8600D2028 Honeywell®
"powerstealing"
Obsolete: Replaced by HONTH8110U1003 or HONTH8320U1008
Taupe 1 Obs.
T8600D2069 Honeywell®
"powerstealing"
Obsolete: Replaced by HONTH8110U1003 or HONTH8320U1008
Premier White 1 Obs.
T8601D2019 Honeywell®
"hardwire"
Obsolete: Replaced by HONTH8110U1003 or HONTH8320U1008
Premier White 1 Obs.
T8601D2027 Honeywell®
"hardwire"
Obsolete: Replaced by HONTH8110U1003 or HONTH8320U1008
Same as T8601D2019 except occupied contacts for use with TOTALZONE™ PANELS 1 Obs.
T8602D2000 Honeywell®
"Battery Powered"
24 volt or millivolt gas heating systems with 24 volt cooling systems.
Obsolete: Replaced by HONTH8110U1003 or HONTH8320U1008
Taupe 1 $182.07
$99.95
Close-Out $69.95
T8602D2018 Honeywell®
"Battery Powered"
24 volt or millivolt gas heating systems with 24 volt cooling systems.
Obsolete: Replaced by HONTH8110U1003 or HONTH8320U1008
Premier White 1 Obs.
T8624D2004
multi-stage
Honeywell
"hardwire"
Obsolete: Replaced by HONTH8320U1008 or HONTH8321U1006
Taupe 1 Obs.
T8624D2012 Honeywell® multi-stage
"hardwire"
Obsolete: Replaced by HONTH8320U1008 or HONTH8321U1006
Premier White 1 Obs.

Honeywell® THERMOSTAT FOR HEATPUMPS
Outdoor temperature sensors
OBS--Available while supplies last.
one of the T8600 Series Thermostats ¹
Chronotherm™ IV, 7 day Programmable.
selection guide gif   Link to page on T8611 thermostat Information
T8611M Installation Data- T8611G,R Installation Data
Part Number Brand & details Color Minimum
Quantity
Price each
T8611G2002 Honeywell "hardwired"
Obsolete: Replaced by HONTH8110U1003 or HONTH8320U1008
Taupe 1 Obs.
T8611G2028 Honeywell "hardwired"
Obsolete: Replaced by HONTH8110U1003 or HONTH8320U1008
Premier White 1 Obs.
T8611M2025 Honeywell® "hardwired"
Has L terminal Defrost Reset Multi-stage adjustable.
Obsolete: Replaced by HONTH8110U1003 or HONTH8320U1008
Premier White 1 Obs.
T8611M7008 Honeywell "hardwired". Terminals R,C,Y,Y2,W2,W3,E,O,B,G,L,X1,X2Obsolete: Available while supply lasts. Beige 1 $322.55
Thermostats --Electronic Non-Programmable
OBSOLETE-- one of the T8500 Series Thermostats
Provides 18 to 30 Vac non-programmable 18 to 30 Vac single stage or multistage heating and cooling systems, including heat pumps.
Outdoor temperature sensors available.
Help with the model selection   Specifications of the T8501, T8511 and T8524 Thermostats
Part Number Brand & details Color Minimum
Quantity
Price each
T8501D1046 Honeywell® Heat-Cool
Obsolete: Replaced by HONTH5220D1029
Premier White 1 Obs.
T8511G1021 Honeywell® Heat Pump--2 heat/1 cool
Obsolete: Replaced by HONTH5220D1029 or HONTH8320U1008
Taupe 1 Obs.
T8511G1047 Honeywell® Heat Pump 2 heat/1 cool
Obsolete: Replaced by HONTH5220D1029
Premier White 1 Obs.
T8524D1007 Honeywell® Heat-Cool 2 heat/2 cool
Obsolete: Replaced by HONTH5220D1029 or HONTH8320U1008
Taupe 1 Obs.
T8524D1015 Honeywell® Heat-Cool 2 heat/2 cool
Obsolete: Replaced by HONTH5220D1029 or HONTH8320U1008
Premier White 1 Obs.
View Honeywell's installation instructions for the T8501, the T8511

Accessories for the Chronotherm IV thermostats
OBS--Available while supplies last.
Part Number Brand & details Color Minimum
Quantity
Price each
C7089B1000
The C7089 outdoor temperature sensor ¹

Outdoor temperature sensor for
T8500 & T8600 series thermostats.
-- -- click model#
209650A Honeywell
Large decorative wall plate for T8600 Series Chronotherm IV thermostats. Covers excess wall marks.
Premier White 1 $13.47
209649A Honeywell
Large decorative wall plate for T8600 Series Chronotherm IV thermostats. Covers excess wall marks.
Taupe 1 $13.47
HON207396A Honeywell
Replacement Door for Chronotherm IV
Used With Chronotherm IV T8600, T8601, T8602, T8611, T8624
Taupe 1 $14.91
HON207396B Honeywell
Replacement Door for Chronotherm IV
Used With Chronotherm IV T8600, T8601, T8602, T8611, T8624
White 1 none available
View Owner's Manual
for Chronotherm IV Thermostats (708kb) Need Acroread gif