Thank you Backyard plus for helping me get my forty five year old hot tub going again. Technical support was very helpful. I highly recommend them.On 03/02/2026 by S. B. (verified customer)
Temperature Knob, Hot Spring, Black 2-3/8″ Long
Sku: 20099
$31.32
Control panel black colored temperature knob (dial) used to adjust the temperature on the Hot Spring models prior to 1988. It has a 2-3/8″ long stem which inserts into the back of the control box and turns the D-shaft of the thermostat.
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