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