Description
Product Summary
The A. O. Smith 100109846 is a thermostat from A. O. Smith, described by the manufacturer as: thermostat 5 screw 90-150F 9004428115.
A thermostat reads the room temperature and tells the heating and cooling equipment when to run. Matching the thermostat to the system's stages, heat pump or conventional setup and power source is the key to a correct replacement. Replace a thermostat that reads the wrong temperature, will not call for heat or cooling, has a blank display or does not support the equipment's stages.
Before you order, match 100109846 to the part number on the part you are replacing or in your equipment's repair parts list, and confirm the voltage, size and connections match your equipment. If you are not sure which part your equipment needs, call us at 1.888.509.3391 with the model and serial number and we will confirm it for you.
Key Features
- Genuine A. O. Smith part: Manufacturer part number 100109846, factory new.
- Part type: Thermostat.
- Ready to ship: In stock with live quantities shown on this page.
Frequently Asked Questions
Is this a genuine A. O. Smith part?
Yes. This is the A. O. Smith 100109846, a factory-new thermostat from A. O. Smith.
How do I make sure it fits my equipment?
Compare 100109846 with the part number printed on the part you are replacing or listed in your equipment's repair parts list, and confirm the voltage and connections match. If you are not sure, call us at 1.888.509.3391 with your model and serial number and we will confirm it.
Will this thermostat work with my system?
Check the number of heating and cooling stages, whether the system is a heat pump or conventional furnace and air conditioner, and whether a common (C) wire is available if the thermostat needs one.
Should a professional install this part?
Yes. Gas, electrical, hydronic and combustion components should be installed by a qualified technician who can test the system afterward and follow the codes that apply where you live.
