Tiger River Kyber 1994? stays at 89 degrees

Apr 25, 2013
2
Went to use it two days ago, it was at 89, thought I had turned down the heat.

Turned heat up, put on jets for an hour, came back, still 89.

Yesterday, left heat in the middle- 100 +, still 89.

This morning- still 89.

The heater must work, I'm in central KS and the dog water freezes at night here....

Some thermostat, control board, or the heat knob assy.???

Not a spa guy, but am very much a fixit guy..

where to start? thanks in advance..
 
:wave: Welcome to TFP!!!

Don't know much about these setups, but since it is holding a temperature, but the wrong temperature, I would think the thermostat is messed up.

If you turn the heat dial up even more, does it get hotter than 89? Wonder if there is just an offset.
 
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