Installation Checklist
Last updated: May 21, 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 or 240V) and wattage
☐ | 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
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
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
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
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)
Reboot:
- Soft: Hold up + down 10 seconds
- Hard: Breaker off 30 seconds, then on
Need Help?
Installation: install@getmysa.com
General support: support@getmysa.com