All Categories


Honeywell T87F1859 Thermostat

Write a review
Availability: Discontinued
Our Price: $34.95
  • Enhanced Setpoint Visibility
  • For 24 Vac to 30 Vac Heating Or Cooling Systems
  • Separate Temperature Setting And Thermometer Scale


Money Back GuaranteedFree Returns Shipping
30 Days ReturnsNo Restocking Fee
CA residents: WARNING. See Proposition 65 notice
  • Reviews
  • Description
  • Specifications
  • Benefits
  • Resources
  • Q & A
Write a review

Honeywell T87F1859 Thermostat
The Honeywell T87F1859 Thermostat is a compact and precise control for 24 VAC to 30 VAC residential heating, cooling, or heating-cooling systems. This thermostat is designed with a dust-proof SPDT mercury dial, a fully adjustable heat anticipator, and a concealed wall plate with 2-wire heating hookups. This thermostat can be used with 2-wire heating or cooling systems, 3-wire SPDT heating systems, or 3-wire SPDT heating-cooling with remote switching. This thermostat's cover ring can also be painted to match your room's overall decorum, and features a knurled dial for easy set point adjustment. If you are looking for a classical thermostat to control the heating systems in your home, or are just in need of a replacement thermostat, the Honeywell T87F1859 Thermostat is the perfect combination of vintage style and control, offering you simple installation as well as a high degree of easy use.

Composed style
The Honeywell T87F1859 Thermostat offers you a fantastic composition coupled with a venerable and mature style. This thermostat utilizes a single-pole, double-throw (SPDT) mercury switch to help you control the level of heat in your home. This internal switch is controlled by a simple turn of the thermostats outer face, which displays a fully accurate temperature read-out in degrees of Fahrenheit. This unit features a rounded design style, that is vintage in presentation, but modern in applicability and control. This thermostat also has a manual changeover option along with an adjustable heat anticipator that will provide you with comfortable temperature control every time you use it. Additionally, the face plate of this thermostat displays easy-to-see, enlarged scale digits along with raised designations.

Special Features Include:

  • Accurate up to 2F for precision temperature control
  • Accentuated dial and ring cover provides easy set-point adjustments
  • Outer ring control can be painted to match any existing room decorum
  • Separate temperature setting and thermometer scales are located on the face of the unit
  • Adjustable heat anticipator helps provide you with all-around temperature comfort
  • Concealed wall-plate and two-wire setup provides easy installation

Effective applications
The Honeywell T87F1859 Thermostat is a fantastic way to control the overall room temperatures of your home while providing a stylish addition to your overall decorum. This thermostat features precise mercury-driven controls along with simple, and easy-to-read dials so you can be certain that no matter what time it is, or where you are in your home, you can enjoy a warm and toasty environment for years and years. If you are looking for a thermostat with great functionality as well as a hint of style, pick up the Honeywell T87F1859 Thermostat.

  • Model: T87F1859
  • Application: A temperature control for residential heating, cooling, or heating/cooling systems.
  • Warranty: 1 Year Limited Manufacturers Warranty
  • Certifications: CSA
  • Heating/Cooling System Type: Gas Furnace , Boiler & Oil Fired , Electric Heat & Cooling
  • Voltage Type: Low Voltage
  • Programmable: No
  • Control Type: Dial
  • Digital Display: No
  • Temperature Displayed: Current & Setpoint
  • Electrical Ratings: 1.5A at 30 VAC
  • Cooling Only: No
  • Heating Only: Yes
  • Program Type: Non -Programmable
  • Terminal Designations: R1, W1, Y1
  • Heat Current: 3.5 amps
  • Cool Current: 7.5 amps
  • Power Method: Hardwired
  • Fan Switch Positions: None
  • Cooling Temperature Range (F): 40 ° F
  • Heating Temperature Range (F): 90
  • Accuracy: +/- 2F
  • Sensor Element: Coiled Bimetal
  • Wireless: No
  • Built-in and fully adjustable heat anticipator delivers all-around temperature comfort
  • Highlighted dial and ring face-plate cover allow for easy set-point and temperature read-out adjustments
  • Precise temperature controls are accurate up to +/- 2F for your continual comfort
  • The face of the unit contains both a thermometer as well as a temperature setting adjustor
  • The outer find of the faceplate can be painted to match any existing home decorum
  • Unit features a 2-wire setup and comes with a concealed wall plate for easy and non-obstructive installation

Need advice? More information?

Customers Also Viewed