Johnr j, you have just shown how you don't even understand our product our idea or any thing about our business model.
To start with the exchange moduals will be held by the service dealers, they can exchange a unit in less than one hour and if you take three hours for the call and travel time, i'm sure there are service deptos within a three hour radius.
You talk about things that are nearly forty years old you need to get in today's world not yesterdays.
As for the availability of Ammonia, Ammonia is available everywhere today in the USA there are pipelines from east to west and north to south moving ammonia
We love people like you because you make what we do much more easier. You live and think in the past
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