WiFi router settings when using Mill WiFi heaters

WiFi router settings required when using Mill WiFi heaters

  1. Make sure that your WiFi distributes b/g/n signal. You can check the b/g/n status by accessing your router through your computer. Most routers distribute b/g/n signal automatically and there is nothing you need to change. If a b/g/n signal doesn’t work, try “g” as a secondary option (eventually b/g).

  2. Some routers have two different networks, 5 Ghz and 2.4 Ghz. Make sure you are connected to the 2.4 Ghz network when installing the heater. This is because the 2.4 Ghz network is a superior range for the WiFi module. After the installation, your cellphone can be connected either of the two Ghz networks.


If you are having issues connecting your Mill WiFi heater in your 2.4 WiFi network, it is most likely your 2.4Ghz internet router default settings require some adjustments. Mill WiFi products are compatible with "all" routers, however we have experienced some routers taking issue with IOT; IOT meaning WiFi devices that are not phones, PC, tablets, etc.

Adjustments to your internet router 2.4Ghz default settings may help solve a connection problem. Generation 2 WiFi products require the following 2.4Ghz WiFi network settings:

1) 2.4Ghz

2) 802.11b/g/n

3) WPA2 password (AES encryption)

4) Channel 10 (or lower)

5) Bandwidth 40Mhz

6) DHCP must be enabled


  1. If you have a ASUS or Ubiquiti router, you must additionally disable the setting “Airtime Fairness”. Do this by going to: Wireless Menu >> Professional Tab >> Airtime Fairness / Disable.
  2. If you are using a firewall on your network you need to make sure the following router ports are open:


5000 (http gateway, app with platform)

443,9005 (https gateway, app with platform)

9100 (load balance of device connecting to cloud)

8000,9000,9004 (device connect with cloud)

9001 (device data push, device control cmd, app with platform)

80 (all third party services)


6689 (unicast in intranet, device with cloud via router)

7689, 8689 (broadcast in intranet, app with device via router)

Note! for Generation 3 WiFi products, only point 8 applies.

Once these settings are in place, you can reset your Mill WiFi product and reconnect. Resetting your Mill WiFi products is done by holding in the product’s WiFi button for 5 seconds.



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