The 34‑0202B‑K M7 temperature sensor is a replacement spa/heater probe designed to accurately measure water temperature in spa and hot tub systems. It sends precise temperature data to the control board, enabling reliable temperature regulation, safe heater operation, and accurate display readouts.

• M7 Temp Sensor with 46" Cable – 34‑0202B‑K
• Accurate Temperature Monitoring — Provides precise water temperature feedback to the spa control system for safe and efficient heating.
• Built‑In M7 Connector — Designed with a standard M7 plug for straightforward plug‑and‑play connection to compatible spa controls.
• 46" (Approx. 117 cm) Cable — Long integrated cable provides flexible routing inside the spa pack and easy reach to the probe mounting location.
• Durable Construction — Built to withstand high humidity, heat, and exposure to spa water and chemicals.
• Critical Safety Component — Works with spa control boards and heaters to prevent overheating by enabling proper temperature regulation and sensor monitoring circuits.
• Versatile Application — Compatible with many spa and hot tub systems that use the M7 temp sensor format; always verify connector type and cable length before ordering.
• Part No.: 34‑0202B‑K

Why choose this product?
This temperature sensor is essential for maintaining correct water temperature and safe spa operation. Replacing a worn or faulty sensor restores accurate temp readings, ensures reliable heater control, and helps protect your spa’s electronics from temperature‑related faults.