M7 Cable Sensor 25283Spa Parts Plus is an authorized distributor of Balboa Water Group®, providing genuine OEM replacement parts
The Balboa 25283 M7 Temperature Sensor is a 36-inch (90 cm) probe used for monitoring water temperature and hi-limit safety in hot tub systems, specifically designed for Balboa M7-equipped systems (e.g., VS100, GS100, BP200). It features a 2-pin connector, a 6.3 mm (1/4″) diameter probe, and a 30k Ohm NTC thermistor.
Key Specifications & Features:
Part Number: 25283 (Balboa Water Group)
Length: 36 inches (90 cm)
Compatibility: Balboa M7 Systems (VS100, GS100, BP Series)
Function: Dual-purpose Temperature and Hi-Limit Sensor
Connection: 2-pin white plug (flat)
Sensor Diameter: ~6.3 mm (1/4 inch)
Usage Notes:
Used in pairs (one at each end of the heater) for M7 systems to monitor temperature and flow.
It is recommended to replace both sensors at the same time.
Includes only the sensor probe; gaskets and nuts are usually not included.
Identical in function to shorter variants (e.g., 24-inch or 14-inch), but with a longer 36-inch cord for specific installations.
