Hot Spring Spas Iq2020 Heater Relay Circuit Board (P/N: 77118)
Item qualifies for Free Shipping!
For IQ 2020, 2009-2011
*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