Balboa Water Group
Balboa Water Group Hi-Limit Sensor, 31", 2-Pin | 30921
Balboa Water Group Hi-Limit Sensor, 31", 2-Pin | 30921
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Manuals, spec sheets and warranty for Balboa Water Group
Balboa spa hi-limit sensor, 31 inch cable, 2-pin connector
A Balboa high limit sensor with a 31 inch cable, a 1/4 inch diameter probe and a 2-pin connector.
Protect your spa heater with the Balboa 30921 hi-limit sensor, a high limit probe with a 31 inch cable. It uses a 2-pin connector. Questions? Call 631-678-6506.
How to choose and fit the Hi-Limit Sensor, 31 Inch, 2-Pin
Check the cable length on your old hi-limit sensor and confirm it is the 31 inch size.
Look at the probe diameter and the 2-pin plug, then compare part number 30921.
Turn the spa power off at the breaker before swapping a sensor. Call 631-678-6506 if you want help matching it.
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Hi-Limit Sensor, 31 Inch, 2-Pin questions and answers
What is the Balboa 30921?
It is a hi-limit (high limit) sensor with a 31 inch cable and a 2-pin connector.
What is a hi-limit sensor for?
It watches heater temperature so the control can shut the heater off if it runs too hot.
What diameter is the probe?
It is listed as a 1/4 inch diameter probe.
Is it in stock?
Stock changes often. If it shows as unavailable, call 631-678-6506 and we will check.
Will it fit my spa?
Confirm the part number and size against your current part, or call 631-678-6506 and we will help you check before you order.