Gecko High Limit Probe – 9920-400342

The Gecko High Limit Probe (9920-400342) is a critical safety sensor designed to protect hot tubs and spa systems from overheating. It continuously monitors water temperature and signals the control system to shut down the heater if unsafe temperature levels are detected, helping prevent damage to components and ensuring user safety.

Supplied with an extended cable and sealing grommet, this probe is designed for reliable performance and straightforward replacement in compatible Gecko control systems. It is an essential component for maintaining safe and compliant spa operation and should only be installed once correct compatibility has been confirmed.

Important Notice:
Due to the nature of electrical components, temperature and high-limit sensors are non-returnable and non-refundable once purchased.