Hot Spring Spas Iq2020 Heater Relay Circuit Board 77118

Heater Relay Board, IQ 2020, 2009-2011 (Replaces #76071)

With this circuit board you can replace the existing faulty heater relay and once again heat your Hot Springs Spa.

To diagnose a faulty relay, first turn temp up high - Test for voltage at heater terminals and input at board, If no voltage at heater but voltage at board input then the board is faulty