Added valves plus PID controller to propane smoker

[solman]

Solman,

I’m also curious about the wiring of the valve to the controller and if any relays were used. Seems like I’d need a NC relay tied into the valve.
Trent

Here's the controller i current use. The wifi feature is great for monitoring smoker temperature from my couch and not have to get up. https://www.auberins.com/index.php?main_page=product_info&cPath=14_27&products_id=656

 

[Nefarious]

Safety shutoff and themocouple:

This mod is very interesting to me. I think I will eventually make it but I think I need to understand better how it all fits together.

In the mean time is there a reason why someone would not add the safety shutoff valve to their gas smoker? It seems like a real safety feature. It's actually hard to understand why it isn't built in, except for cost of course.