Forum Discussion
Old-Biscuit
Mar 31, 2018Explorer III
The Atwood in your 2009 HH II uses one set of T-stats for temp control...be it electric and/or propane
T-stat (normal control) Opens at 140*F to stop any heating and Closes at 110*F to start heating cycle
ECO (Energy Cut Off---Hi temp) Opens at 180*F to shut down ALL heating, will trigger the RED Fault Light and 'Locks Out' any reheating cycles until system reset.
ECO self resets when temp drops below 150*F.
Fault Light/Lock Out is reset by turn On/Off Switch OFF, wait 30 seconds and then back ON (whichever heat source was being used)
Typically if ECO trips....the T-stat has failed to control temps
T&P Relief Valve is final backup. OPENS/SPEWS if temp reaches 210*F or 150PSI
T-stat AND ECO have FAILED
Atwood does have an adjustable T-stat (110*F to 150*F)
Replaces the T-stat
ECO remains the same
Atwood Adjustable T-stat Part No. 93105
Course the lower the temp will result in HOT Water running out quicker.
You can heat with electric, with propane OR with BOTH
Temp control remains the SAME....just different recovery times
Electric slowest, propane much quicker and BOTH is fastest.
T-stat (normal control) Opens at 140*F to stop any heating and Closes at 110*F to start heating cycle
ECO (Energy Cut Off---Hi temp) Opens at 180*F to shut down ALL heating, will trigger the RED Fault Light and 'Locks Out' any reheating cycles until system reset.
ECO self resets when temp drops below 150*F.
Fault Light/Lock Out is reset by turn On/Off Switch OFF, wait 30 seconds and then back ON (whichever heat source was being used)
Typically if ECO trips....the T-stat has failed to control temps
T&P Relief Valve is final backup. OPENS/SPEWS if temp reaches 210*F or 150PSI
T-stat AND ECO have FAILED
Atwood does have an adjustable T-stat (110*F to 150*F)
Replaces the T-stat
ECO remains the same
Atwood Adjustable T-stat Part No. 93105
Course the lower the temp will result in HOT Water running out quicker.
You can heat with electric, with propane OR with BOTH
Temp control remains the SAME....just different recovery times
Electric slowest, propane much quicker and BOTH is fastest.
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