Heatmode is a tristate on a BP2100 spa, so deal with the fact it

might be a "2".

custom_components/balboa/climate.py

@@ -81,7 +81,7 @@ def hvac_mode(self) -> str:
     def hvac_action(self) -> str:
         """Return the current operation mode."""
         state = self._client.get_heatstate()
-        if state == self._client.ON:
+        if state >= self._client.ON:
             return CURRENT_HVAC_HEAT
         return CURRENT_HVAC_IDLE