“hot water heater”- related parts

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Water level indicator 2018-07-12
It is divided into 400mm and 600mm according to the distance of the inlet flange, and it is also classified according to different pressure levels.
Manholes 2018-07-12
It consists of manhole ring, manhole gasket and manhole pressing plate. Manhole device are differentiated by pressure level and size.
Front and rear axles 2018-07-12
The front and rear axles of different boiler’s grate have different size.