How big are the numbers on the thermostat screen

I would say the numbers for the current temperature display are about 1 inch in heighth or about the same as most digital alarm clock readouts

how do you turn off the programable part of the thermostat?

You just hit the off button and it will stop the program or you can send it and hit hold and it will hold the temperature you set it at. So if you’re planning to go on vacation set it on hold.

My Old Thermostat has 6 Wires, I read that someone installed this with 4 wires, will I have two extra Wires???

If your old one had 6 wires attached, this is not the thermostat for you. 6 wire are usually 2 heat 2 cool. The 5th wire is for common to power the thermostat from the furnace transformer and the 6th wire is for either 2nd stage heating or 2nd stage cooling, depending on the system. This thermostat will not control 2nd stage heating. That has to be done by the furnace control and requires a jumper wire from W1 to W2.

Does anyone know if this can be set to have it's back-light on continuously?

No. Can not be set to be on continuosly. It can be configured to momentarly come on if light button is pressed or either any key is pressed. Mine is working good. I mainly bought it for the adjustable temerature swing which I have set at 3 degrees.

T805 7 Day Or 5 1 1 Progammable Electronic Thermostat

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Specifications

Brand	PRO1 IAQ
Model Name	T805
Item Dimensions LxWxH	4.7 x 1.1 x 4.4 inches
Special Feature	Temperature Display
Color	White
Included Components	Thermostat
Power Source	Battery Powered
Item Weight	0.15 Pounds
Voltage	30 Volts
Shape	Square
Display Type	Digital
Screen Size	8 Inches
Control Type	Button Control
Control Method	Remote
Backlight	Yes
Specification Met	Energy Saving Thermostat
Manufacturer	Alfi
Part Number	T805
Item Weight	2.4 ounces
Product Dimensions	4.7 x 1.1 x 4.4 inches
Item model number	T805
Is Discontinued By Manufacturer	No
Amperage Capacity	1 Amps
Item Package Quantity	1
Special Features	Temperature Display
Batteries Included?	No
Batteries Required?	No
Warranty Description	5 year limited manufacturer's warranty.

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T805 7 Day or 5/1/1 Progammable Electronic Thermostat with 8 Square Inch Display

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Specifications

Common Questions