Water heater leakage: The utility model has a large drainage diameter, and the water pressure drops the least. Kitchen leakage device: in look, simple and practical in use, give you a pleasant using experience. Water heater anti-electric wall protections: A good substitute electric insulation wall for your broken worn out. Shockproof partition wall connector: Thickened threaded interfaces at both ends, made from copper and pbt material. Electric shockproof device: The water heater partition wall has the advantages of strong electric insulation, thickened electric insulation layer inside, good sealing performances and no leakage.