2 Heat / 1 Cool Non-Programmable Pro1 IAQ Digital Thermostat

Item: HA12004
Model: T721
Condition: New

2 Heat / 1 Cool Non-Programmable Pro1 IAQ Digital Thermostat Zoom

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Pro1 IAQ

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Warranty Terms

For a full description of all warranties applicable to this product as well as individual manufacturer requirements, please review the manufacturer's consumer brochure and/or product warranty documents.  Online warranty registration must be completed within 60 days of installation.  Due to state laws, online registration is not required in California or Quebec. Call for warranty availability on scratch & dent and surplus items.

For additional warranty information, click here.


Model T721
Product Height (in) 5
Product Length (in) 2
Product Width (in) 5
System Compatibility Heat Pump
Thermostat Mobility Stationary
Heat/Cool Stages 2 Heat / 1 Cool
Thermostat Type Non-Programmable
Warranty 5 Year
Weight (lbs) 1.0000
California Residents see Prop 65 WARNING


Q & A

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Will this item work in a Mobil home?
Is this good on a 2 stage unit ;; does it have a 2y option in back ??? thank you
I own this device in our condo. How do you set the temperature control for hot weather automatically for temperature control? Somehow it got adjusted couple weeks ago, and we didn't know proper way of setting it. Should it be set at Fan
I have a open loop water geothermal unit. Will this thermostat work with it.
Battery replacement on this particular model .. does one simply open battery lid in front of case and replace batteries, without necessity of dealing with anything else on the thermostat?
Can you program the thermostat to automatically change temperatures at different times of day?
How do you change the pm to am?
I have a duel fuel heat pump with propane as back up and heat pump ac. My old stat has 7 wires. will this work for me?
What does EmH mean ?
i want control a gas furnace and nothing else.