Monitoring water tank level with Shelly Uni & pressure sensor | House tank sensor v2.0

Published at : 23 Dec 2025

I use a commercially made in-tank pressure sensor and a Shelly Uni to upgrade my v1 setup for measuring water tank levels, and make it super stable and reliable.

Shelly Uni: https://www.shelly.cloud/en-us/products/product-overview/shelly-uni
In-tank pressure sensor: https://www.aliexpress.com/item/4000415423859.html?spm=a2g0o.order_list.order_list_main.5.21ef1802yxtKP9
v1.0 setup: https://youtu.be/llExIOD0gpk

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Chapters:
0:00 Why am I upgrading?
1:10 The new sensor
3:12 Installation
4:17 I am an idiot
5:18 Second attempt using Shelly Uni
7:07 Installing the Shelly Uni
8:15 Adopting the Shelly Uni
11:05 Wiring the Shelly Uni and pressure sensor
13:28 Shelly Uni integration
16:13 HA statistics sensor (median)
21:49 HA template sensor
24:03 Showing water level in Home Assistant