Installation Checklist
Last updated: August 10, 2026
Installation Checklist
Use this checklist to ensure a successful Mysa for Baseboards installation.
Before You Start
Task | |
|---|---|
☐ | Confirm you have an existing wall thermostat (not a dial on the heater) |
☐ | Check local building codes — some regions require a licensed electrician |
☐ | Verify your heater is compatible (Mysa Compatibility Checker) |
☐ | Note your heater's voltage (120V, single-phase 208V, or 240V) and wattage. Mysa supports a maximum load of 16A (up to 3,328W at 208V). |
☐ | Download the Mysa app (App Store or Google Play) |
☐ | Create a Mysa account |
☐ | Have your Wi-Fi network name and password ready (2.4 GHz) |
Tools Ready
Item | |
|---|---|
☐ | Medium Phillips screwdriver |
☐ | Voltage tester |
☐ | Wire strippers (if needed) |
☐ | Smartphone with Mysa app |
See What's in the Box for the full tools list and what's included.
Installation Steps
Step | |
|---|---|
☐ | Turn off power at the circuit breaker |
☐ | Verify power is off with a voltage tester |
☐ | Take a photo of existing thermostat wiring |
☐ | Verify 4+ wires in gang box (check for tucked wires if only 2 visible) |
☐ | Disconnect and remove old thermostat |
☐ | Mount Mysa base plate to gang box |
☐ | Connect wires to Mysa terminals (L1, L2/N, Load) |
☐ | Confirm all wire connections are secure |
☐ | Attach thermostat to base plate (click into place) |
☐ | Restore power at breaker |
☐ | Confirm thermostat display turns on |
Tip: Installing multiple thermostats? Do one at a time to minimize risk. If you don't have a voltage tester, see the "no voltage tester" workaround in the Wiring & Power Troubleshooting article.
App Setup
Step | |
|---|---|
☐ | Open Mysa app and sign in |
☐ | Tap Add Mysa and select Mysa for Baseboards |
☐ | Stand within 1–2 meters of thermostat |
☐ | Connect via Bluetooth (V2/Lite) or Wi-Fi (V1) |
☐ | Connect to your 2.4 GHz Wi-Fi network |
☐ | Select your heater type (Baseboard, Fan-forced, or Radiant) |
☐ | Name your thermostat |
☐ | Complete any firmware updates |
Full pairing detail: Pairing Your Mysa for Baseboards.
Final Verification
Check | |
|---|---|
☐ | Thermostat shows current room temperature |
☐ | Thermostat shows Online in app |
☐ | Raise setpoint — heater turns on |
☐ | Lower setpoint — heater turns off |
☐ | No error codes displayed |
If any of these fail, see Wiring & Power Troubleshooting.
Reboot Reference
Soft reboot: Hold up + down arrows for 10 seconds
Hard reboot: Turn off breaker, wait 30 seconds, turn back on
Quick Reference
Wiring (240V):
L1 ← Hot wire 1
L2/N ← Hot wire 2
Load → To heater
Wiring (120V):
L1 ← Hot (black)
L2/N ← Neutral (white)
Load → To heater
Specifications:
Max: 3800W / 16A at 240V
Max: 1900W / 16A at 120V
Min load: 0.3A (V2 only)
Need Help?
Installation: install@getmysa.com
General support: support@getmysa.com