Balboa M7 Sensor 12 Inch (P/N: 53605)
Works with the M7, VS Value Series and LE Series control packs from Balboa.
Used on many spas including Master Spas, Legacy Spas
This is a genuine Balboa part and not a generic replacement.
Sensor probe 1/4 inch by 2 inch
Bulb sensor mount cap bulb o'ring and washer