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Related Categories: Heater Relay | Relay | High Limit Tripped
ETS Glossary

ETS Glossary

…closing the high power circuit (such as the heater or pump). When the control circuit is not energized, the spring pulls the contact armature away, the circuit is not complete, and the device (such as heater) is shut off. Control SystemThe control system or box is the brain of a hot tub, consisting…
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