Balboa Instruments Temperature and Hi Limit Sensor wiring loom assembly 30337 - used on older Balboa spa systems with heater tubes fitted with pressure switches.

One sensor slips into heater element sleeve, the other sensor fits into spa sensor pocket.

Twin harness assembly with hi-limit sensor and regulation temperature sensor.

Regulation sensor 96" long cord, 3/8" / 9mm diameter stainless steel bulb Hi-limit sensor 31" long cord, 1/4" / 6mm diameter stainless steel bulb

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