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1. heat exchanger for water heaters, 2. High heat transfer efficiency, 3. Low cost, 4. Good water quality - details see: https://www.machineto.com/heat-exchanger-for-water-heaters-domestic-hot-water-10245996

Heat Exchanger For Water Heaters / Domestic Hot Water

Status Quo of Domestic Hot Water System

Currently, there are two types of domestic hot water system – displacement and instantaneous systems on the market, and the mainstream product is displacement system.

	Advantages	Disadvantages
Displacement Domestic Hot Water System	Features heat storage, and ease of water temperature control.	Low efficiency of heat transfer, and requirement of large floor area; Vulnerable to water pollution, and highly breeding of legionella; Difficult to clean scaling; High cost.
Instantaneous Domestic Hot Water System	High efficiency of heat transfer, small size and low cost.	No thermal storage (regenerative) function, and difficult to control the water temperature because the hot water flow and temperature varies greatly in the day, and the steam system has the risk of burn injury; The existence of legionella; Difficult to clean scaling.

SmartHeat Domestic hot water system features combined advantages of displacement and instantaneous systems:

• High heat transfer efficiency, and small floor area, with a size 1/5 of displacementsystem;
• Low cost, 1/3-1/2 lower than displacement heat exchanger,;
• Of the displacement construction, featuring constant water temperature, and up to five-star hotel requirements;
• Good water quality, with no pockets of ‘dead water’, and 100% legionella killed;
• Feature ultrasonic descaling, and automatic cleaning plates and systems;
• Feature user-friendly design, full-featured, advanced control, simple operation, nice looking, and practical in use.

The Price Advantage of SmartHeat Domestic Hot Water System

• With combined advantages of both instantaneous and displacement type of domestic hot water systems – high heat transfer efficiency, small size, good quality of supply water, low cost, high control precision, and 1/3~1/2 lower capital investment and operation cost than displacement heat exchanger;
• Legionella 100% killed.