DescriptionDo you live in a place with limited space and worry about insufficient hot water supply? We have a good solution to such problems! This mini water heater can quickly heat water in just a few seconds and has good safety, allowing you to enjoy a continuous supply of hot water in a limited space. It can make your daily washing and cleaning activities warmer, making your winter no longer cold.How to Install1. Drill holes in the wall. Insert the plastic expansion tubes into the holes.2. Tighten the water heater with screws. The water heater must be installed vertically. 3. Connect the cold water inlet pipe to the inlet nipple and the water outlet pipe to the outlet nipple.4. Before connecting the power, fill the tank and system with water and check for leaks.5. Open the hot water faucet until constant water flows from them. Otherwise, damage to the element may occur. Notes1. Please carefully read the manual and strictly follow the precautions to have a better experience.2. Please note that this product only supports vertical inst.