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The original was posted on /r/homeassistant by /u/spydergto on 2023-06-27 21:39:12+00:00.

Hi

new to HA. how would i go about communicating with a water heater that has a Honeywell gas control valve that has a 2 pin port on the front. Where can i find more information and what do i need in order to communicate with that. the water heater is an AO SMITH from about 2 or three years ago i have the model in a picture on my phone if i need to go dig that up TYIA