Type of cooling of the disc (ventilated/non-ventilated

Type of cooling of the disc (ventilated/non-ventilated

Type of cooling of the disc ventilated/non-ventilated

The frame/cushion includes structure (lugs/cut outs) to prevent the assembly of an unvented frame with an unvented cushion, for safety purposes.

The invention also concerns a process for producing heat-insulated roofs of the ventilated and non-ventilated types for preventing heat convection losses.

Non ventilated: Not equipped for cooling by means external to the enclosing parts.

At least one stage is a ventilated stage and at least one other stage a non-ventilated stage.

An unvented hot water or heating system is one which is pressurised, or not vented to atmospheric pressure.

The system includes a unique non-vented and air tight sealed reservoir with expandable bladder.

Suits of the “ventilated” type (higher nominal protection factors) and “non-ventilated” type are available

Do not burn anything in a stove or fireplace that is not vented.

Do not burn anything in a stove or a fireplace that is not vented.

they may be installed in an unventilated area, such as a cupboard;

The painting is done in a warehouse that is not mechanically ventilated.

Do not keep it anywhere too warm, humid or unventilated.