Using 360° Viewing:
- Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
- Zoom In: Double click on image.
- Zoom Out/Reset: Put photo at full zoom & then double click.
Low V Mechanical Tstat, 40 to 90F, White
- Item # 1AYP9
- Mfr. Model # T87K1007
- UNSPSC # 41112209
- Catalog Page # 4219
- Shipping Weight 0.35 lbs.
- ItemLow Voltage Thermostat
- Terminal DesignationsR, Y, W
- System SwitchingNo
- Fan SwitchingNo
- Automatic ChangeoverNo
- Dual Transformer CompatibleNo
- Power MethodHardwired
- Voltage20VAC to 30VAC
- 750mV CompatibleNo
- Control Range40 Degrees to 90 Degrees F
- FeaturesMercury Free
- For Use WithGas, Oil, Forced Warm Air, Hot Water, Steam or Gravity
Compliance and Restrictions
Alternate Search Terms
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.
Ask your questions. Share your answers.
The 1AYP9 is the replacement for the old Honeywell T87 round thermostats. There is no C (common) terminal on the 1AYP9. This means it does not steal power from the furnace/heater. All thermostats mechanical or digital have to have 24 volts from the furnace to be able to switch the furnace on/off.
Thank you for using Grainger Ask and Answer.
Grainger is neither responsible for, not does it endorse, the content of any statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger.