Honeywell T8775A1009


Digital Thermostat, Heat Only, Nonprogram

T8775A1009 686208
Average Rating: 4.4
Read Reviews (7) Write a Review
$47.72 + 10 Business Day Shipping $9.16


ItemLow Voltage Thermostat
TypeDigital Nonprogrammable Heating Only
Stages Heat1
Temp. Settings per Day1
Terminal DesignationsR,W
System SwitchingNone
Fan SwitchingAuto-On
Display.75 sq. in., Digital
Key Pad LockoutNo
Programmable FanNo
Automatic ChangeoverNo
Humidification ControlNo
Remote Sensing CapabilityNo
Battery BackupNo
Low Battery IndicatorNo
Dual Transformer CompatibleNo
Power MethodHardwired
Voltage (AC)24
750mV CompatibleNo
Depth (In.)1-7/16
Dia. (In.)3-11/16
Control Range (F)40 to 90
CharacteristicsBatteries Not Required, Power-Stealing
For Use With Gas, 24V Electric Heat, Oil
Application Heat Only
Dimensions (in.)3 11/16 in. diameter x 1 7/16 in. deep
Dimensions (mm)94 mm diameter x 37 mm deep
Includes Wallplate, resistor assembly, mounting screws and wall anchors
CommentsLarge easy-to-see backlit display.
Item TypeProduct
Electrical Ratings18 to 30 Vac
Frequency60 Hz
Stages1 Heat
UPC 085267244176
Weight 0.750000


Digital Nonprogrammable ThermostatsWhite color.

Electronic Thermostat, Gas, 24V Electric Heat, Oil Application, Sold as Heat Only, Power Stealing, Control Range 40-90 F, Stages Heat 1, Switching, Fan None, White, Digital Display, Dia 3 11/16 In, Depth 1 7/16 In, Manual Changeover

Customer Reviews

Average Product Rating: 4.4
based on 7 reviews

Honeywell T8775A1009 Digital Round Thermostat SKU: 686208

Tuesday, February 12, 2013

I think that replacing my old mercury filled thermostats are saving me fuel usage and cutting down boiler operating time. They were easy to replace, just turn the power to the thermostat before you start

same size as my old ones,and works better than metal exspanding type mercury bulb switch

you tell me, maybe free!!!!

Submitted by Richard A. N


Wednesday, November 21, 2012

I ORDERED 1005 & I WAS SENT 1009 !!!


Submitted by ADAM BOUCH M

honeywell round thermostat

Tuesday, October 23, 2012

Easy to install -- good warranty -- easy to use -- drillspot was good to work with.

Submitted by mark


Tuesday, January 24, 2012

Thanks guys! Great price and quick shipping.

Submitted by tim a

T-stat Review

Friday, November 04, 2011

I have been using bimetal contact stats on my hydronic zone heat for my outdoor wood stove for three years. Though they did work, the lack of load current on the system caused long runs and large heating spans, 2 to 3 degrees. These digital stats came with a load resistor and are capable of being set up for short cycles. They have kept my zones exactly at the temp I set them and made my house more comfortable.

Accuracy and appearance


Submitted by Baggers

Just What I Was Looking For

Tuesday, October 18, 2011

Very fast delivery and very good price, would tell people about DrillSpot.

Small, easy to read and use.. I have this thermostat everywhere in my home. Have never had any problems.

Submitted by cherisahbuffy


Friday, January 21, 2011

Very fast shipping, excellent product.

Simple interface


Submitted by TERRY HOFFMAN
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