Programmable · Honeywell Home

Honeywell Home RTH2510B1018 Programmable Thermostat

Programmable, heat pump ready

At a glance

Suited to A weekly schedule without an app.

Strong points
7 day programming.
Weak points
No remote control.
Best match
A weekly schedule without an app.
Works with
Push Button
Connectivity
Auxiliary
Schedule
7 day programming
Display
LCD
Voltage
230 V
Material
Plastic
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Updated October 2026

Will it work with your system?

Works well with

  • A weekly schedule without an app
  • Furnace and central air systems

Check first if you have

  • Phone or voice control
  • Line-voltage baseboard heat

What it controls

The Honeywell Home RTH2510B1018 Programmable Thermostat is a programmable. Its listing doesn't spell out which heating and cooling systems it supports, so run the maker's compatibility checker before you buy.

On power, the listing doesn't say whether it needs a C wire. What a C wire does.

The maker states heat pump support ("thout pump, Millivolt system, Central heating and cooling system, and Heat pumps with or w"), so it can drive an O/B reversing valve. What a heat pump needs from a thermostat.

Schedule: 7 day programming. A schedule only saves energy if it's set; spend five minutes on it after installing.

Tick your terminals in the wiring checker to see whether its maker's statements cover your system.

Also on the listing: dimensions of 1 in (D) x 4.75 in (W) x 3.5 in (H), a weight of 8 ounces and a lcd.

Warranty, per the listing: 1 year limited warranty.

Compatibility and specs

These come from the maker's listing for this exact model; the source of each is marked. Anything the maker leaves out is marked not stated.

Model numberRTH2510B1018Retailer
Model nameRTH2510B1018Retailer
Dimensions (seller)1"D x 4.75"W x 3.5"HRetailer
Works withPush ButtonRetailer
Features (seller)Daylight Savings Time Ready, Filter Indicator, Lighted, Low Battery Indicator, Low Voltage, Programmable Daylight Savings Time Ready, Filter Indicator, Lighted, Low Battery Indicator, Low Voltage, ProgrammableRetailer
ConnectivityAuxiliaryRetailer
Voltage230 VRetailer
DisplayLCDRetailer
Mounting / installationWall MountRetailer
Product weight8 ouncesRetailer
Warranty1 year limited warranty.Retailer
MaterialPlasticRetailer
Heat pump supportthout pump, Millivolt system, Central heating and cooling system, and Heat pumps with or without auxiliary/backup heatRetailer
Schedule7 day programmingRetailer

Strong points and weak points

Strong points

  • 7 day programming
  • No Wi-Fi or account needed
  • Heat pump support stated

Weak points

  • No remote control
  • Systems not stated

Wiring and install notes

  • Compatibility statements are the maker's own. Confirm with the maker's compatibility checker, turn the power off before wiring, and leave line-voltage and furnace work to a licensed electrician or HVAC technician.

Thermostats to compare it with

FAQ

Does the Honeywell Home RTH2510B1018 Programmable Thermostat need a C wire?
The listing doesn't say whether it needs a c wire.
What systems does the Honeywell Home RTH2510B1018 Programmable Thermostat work with?
The listing doesn't say; check the maker's compatibility list.

Other programmable and basic thermostats with similar wiring

All programmable and basic thermostats in one grid · Every Honeywell Home control listed

Our take

Suited to A weekly schedule without an app.

Where to get it

The link goes to this exact model's listing. Check that the box includes the trim plate or C-wire adapter you need, and confirm your wiring with the maker's compatibility checker before you order.

Prices change often; the button shows today's price.

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure