Will it work with your system?
Works well with
- Phone control and scheduling
- Heat pump systems
Check first if you have
- Walls without a C wire, unless you add one
- Line-voltage baseboard heat
- Millivolt gas heaters
What it controls
The Vine TJ-919T Smart Thermostat is a smart Wi-Fi thermostat. Systems, per the maker: compatible with 90% of system(24V AC System): Conventional (2H/2C)-Gas, Oil, Electric, Boiler.
Power is where installs stall: its maker says it needs a C wire; its wording is "/Voice Control, Compatible with Alexa and Google Assistant, C-Wire Required, TJ-919T". C-wire options.
The maker states heat pump support ("Heat Pump(2 stages Heat/Cool + 2 stages Aux/Emerg"), so it can drive an O/B reversing valve. What a heat pump needs from a thermostat.
Stages, per the maker: 2h/2c. Compare that with the W2 and Y2 wires at your wall. Reading stages from your wires.
Connectivity: Wi-Fi. It amazon Alexa, Google Assistant.
Tick your terminals in the wiring checker to see whether its maker's statements cover your system.
Also on the listing: dimensions of 1.02 in (D) x 4.84 in (W) x 3.35 in (H) and a lcd.
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 | TJ-919T | Retailer |
|---|---|---|
| Model name | TJ-919T | Retailer |
| Dimensions (seller) | 1.02"D x 4.84"W x 3.35"H | Retailer |
| Works with | Amazon Alexa, Google Assistant | Retailer |
| Features (seller) | Fan Control, Filter Indicator, Geofence Technology, Lockable, Sleep Mode | Retailer |
| Connectivity | Wi-Fi | Retailer |
| Power | Hardwired | Retailer |
| Voltage | 24 V AC | Retailer |
| Display | LCD | Retailer |
| Mounting / installation | Wall Mount | Retailer |
| Material | Glass, Metal, Plastic | Retailer |
| C-wire | /Voice Control, Compatible with Alexa and Google Assistant, C-Wire Required, TJ-919T | Retailer |
| Works with systems | compatible with 90% of system(24V AC System): Conventional (2H/2C)-Gas, Oil, Electric, Boiler | Retailer |
| Heat / cool stages | 2h/2c | Retailer |
| Heat pump support | Heat Pump(2 stages Heat/Cool + 2 stages Aux/Emerg | Retailer |
Strong points and weak points
Strong points
- Heat pump support stated
- Stages: 2h/2c
- Works with Amazon Alexa, Google Assistant
Weak points
- Needs a C wire (maker)
- Needs Wi-Fi for smart features
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 Vine TJ-919T Smart Thermostat need a C wire?
Does the Vine TJ-919T Smart Thermostat work with a heat pump?
Other smart thermostats with similar wiring
- LUX TX500E Smart Thermostat
- ecobee EB-STATE7-01 Smart Thermostat
- Honeywell Home TH6220WF2006 Smart Thermostat
- Aqara W200 Smart Thermostat
All smart thermostats in one grid · Every Vine control listed
Our take
A fit for phone control and scheduling.
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.
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