Will it work with your system?
Works well with
- Baseboard and wall heaters
- Room-by-room electric heat
Check first if you have
- Furnaces, boilers and heat pumps (24 V)
- Loads above its rating
What it controls
The Honeywell Home RLV4305A1000/E1 Line-Voltage Thermostat is a line-voltage for electric heat that runs at line voltage (240 V per the maker).
Its maker rates it for 3,500 W. At 240 V that covers heaters totalling about 3,500 watts (watts = amps × volts). Check your heaters' load.
Connectivity: Wired, so the schedule and setpoint can be changed from a phone.
Line voltage can kill: switch the breaker off and confirm it's dead before touching the wires, and use a licensed electrician if you're unsure. Line vs low voltage.
Also on the listing: dimensions of 1.31 in (D) x 4.75 in (W) x 4.88 in (H), a weight of 12 ounces and a digital.
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 number | RLV4305A1000/E1 | Retailer |
|---|---|---|
| Model name | 5-2 Day Programmable Thermostat for Electric Baseboard Heaters | Retailer |
| Dimensions (seller) | 1.31"D x 4.75"W x 4.88"H | Retailer |
| Works with | Push Button | Retailer |
| Features (seller) | Clock Display, Programmable, Temperature Display, Vacation Mode | Retailer |
| Connectivity | Wired | Retailer |
| Power | Electric | Retailer |
| Voltage | 240 V | Retailer |
| Display | Digital | Retailer |
| Mounting / installation | Baseboard | Retailer |
| Max load | 3500 W | Retailer |
| Product weight | 12 ounces | Retailer |
| Warranty | 1 year limited warranty. | Retailer |
| Material | Plastic | Retailer |
| Schedule | 5-2 Day Programmable | Retailer |
Strong points and weak points
Strong points
- Rated 3,500 W
- Wi-Fi control
- 240 V
Weak points
- Household-voltage wiring
- One thermostat per heater circuit
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
How many heaters can the Honeywell Home RLV4305A1000/E1 Line-Voltage Thermostat control?
Can the Honeywell Home RLV4305A1000/E1 Line-Voltage Thermostat run a furnace or heat pump?
Other line-voltage thermostats with similar wiring
- Aube TH115-A-120S Line-Voltage Thermostat
- meross MTS215 Smart Line-Voltage Thermostat
- meross MTS200 Smart Line-Voltage Thermostat
- Mysa BB V2-0-L Smart Line-Voltage Thermostat
All line-voltage thermostats in one grid · Every Honeywell Home control listed
Our take
A fit for baseboard and wall heaters.
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.
Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure