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~~Excellent Safety~~
Vacuum pressure is always lower than surrounding atmospheric pressure in order to guarantee no explosion occur.Four types of safety devices such as temperature protect,pressure protect,mechanism explosion-preventing,which protect the boiler from expansion explosion and damage.
~~Multipurpose~~
One vacuum boiler can set kinds of heat-exchanger,which provide a wide range of choices from hot water to heating water,or swimming water.So that we can meet the customers' maximize need.
~~High Efficiency~~
Adopt the three-pass,wet-back fired structure to achieve more than 92% efficiency using the low boiling point in the vacuum status,the hot water can be produced in 3-5 minutes.Almost no consumption of additional fuel at the initial stage.Owning to no boiler scale in the boiler hearth,the efficiency will not decline year after year.
~~Long Life-span~~
The water is heated indirectly,the medium water never need be added or changed because of no loss at all.There is no boiler scale in the boiler hearth because vacuum hot water is always in the vacuum status.The life-span could last for more than 20 years.
~~Low Maintenance expenses~~
Vacuum boiler unit can start-up and shut down automatically without professional people,who have license or inspection.Anybody can operate the unit safely and easily.
~~Easy Insallation~~
The heat-exchanger is inside the boiler so that no external equipment needed,such as plate heat-exchanger and water softener.Just connecting with external pipe is ok.
~~Automatic Controller~~
The vacuum boiler can be set into different temperature according to different demand.Swithing time with day and week feature is easy to be set.Remote control is available.
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