Grb-colorado Posted October 4, 2021 Report Share Posted October 4, 2021 Our GC6AA-10E will heat with gas and electric to only warm and then turn-off. I replaced thermostat 91447 and no change. I replaced ECO and it would not light at all. Put old ECO back in and it worked the same as before. Any ideas? Quote Link to comment Share on other sites More sharing options...
Grb-colorado Posted October 4, 2021 Author Report Share Posted October 4, 2021 Sorry everyone. I did not have a water valve closed properly. Quote Link to comment Share on other sites More sharing options...
Kirk W Posted October 4, 2021 Report Share Posted October 4, 2021 Welcome to the Escapee forums! We will do all that we are able to help. Let's start with a copy of the Atwood service manual for that water heater. I really don't understand why the problem from the ECO as that should be directly interchangeable so you can easily check both sides of it with an ohm meter as it should be closed on both sides. The problem being the same regardless of heat source indicates that yours is a control problem that seems to be in the set point. When you say that you replaced the ECO, do you mean that you bought the pair and changed both or only the ECO half? So it works now? I saw your second post as I was composing my response. Quote Good travelin !...............KirkFull-time 11+ years...... Now seasonal travelers.Kirk & Pam's Great RV Adventure Link to comment Share on other sites More sharing options...
oldjohnt Posted October 4, 2021 Report Share Posted October 4, 2021 2 hours ago, Grb-colorado said: Sorry everyone. I did not have a water valve closed properly. Thanks for the feedback so alls well now ?? John T Quote Link to comment Share on other sites More sharing options...
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