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Longzhuo B0D17RKVXG Level Controller for Water Tank Instruction Manual

May 25, 2026

Product Manual of Water Level Control Equipment Quick Start Guide: Install the float valve in the desired location. Connect the valve to the water source. Adjust the float to set…

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Longzhuo Bluetooth Pool Water Quality Monitor User Manual

Longzhuo-HGG20190 • July 9, 2025

Comprehensive user manual for the Longzhuo Bluetooth Pool Water Quality Monitor, covering setup, operation, maintenance, specifications, and troubleshooting for pH, EC, ORP, Chlorine, TDS, and Temperature measurements.