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The STH boilers, complete with a diesel burner, circulation pump, expansion vessel, safety valve and control panel.
Due to their compact size, they are suitable for installation in small spaces.
The boilers are factory tested hydrostatically at pressure of 6bar. All the equipment is connected and tested (burner, circulation pump, thermostats).
The materials and thickness of the steel plates, used in the construction, comply with EN 303-1 and EN 303-3.
Light oil or gas steel boilers "GS A", complete with control panel,