Suggestions to make a good installation

The chimney

The chimney is fundamental for the proper functioning of wood-burning cookers, thermo-cookers, stoves and thermo stoves. Rizzoli’s products are designed to ensure high-performances, but they are influenced by the functioning of the chimney. If it has defects or does not comply with technical construction standards, correct operation is not guaranteed. The chimney has to be built with heat-resistant materials to withstand high temperatures and in compliance with fire safety regulations. The type of heat-resistant material is not important, once it fits its purpose and that the chimney is well insulated.

Discover the correct positioning of the chimney ›

Correct installation of the chimney

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The chimney must have the right size for the type of wood-burning cooker, thermo-cooker, stove or thermo stove it is connected with, minding the environmental and general conditions where it is placed. The section of the chimney must allow the fumes produced to flow from the cooker without difficulties, but it must not be too big, otherwise the chimney will not heat properly, and this may cause problems like condensation or scarce draught. The height of the chimney must be enough to ensure the necessary draught for the chosen model: bigger height, bigger draught. If the chimney is lower than 4 metres, the proper operation of the cooker is not ensured. The chimney must not have tortuous, horizontal or counterslope parts; the number of bends must be reduced to the bare minimum. The flue pipe must be well insulated and possibly have a circular section. It shouldn't have defects, blockages or leaks. All the inspection doors must be closed and well-sealed. It is not allowed to connect multiple devices to the same flue pipe. The chimney pot total exit section must be the double of the flue pipe, in order to ease the exit of the smoke. The chimney pot must be tall enough to protrude over the reflow zone created by the roof: if you have any doubt contact experienced technicians. If you live in a windy area, it might be necessary to install windproof devices. The connector pipe between the product and the flue pipe, called fume duct, must be as short as possible and must not have horizontal or insufficiently inclined parts. Counterslope parts are forbidden and must be absolutely avoided.
Inflammable materials must be kept away from the connector. The connector must not go inside the flue pipe. To increase safety, we suggest installing a rosette on the wall. Make sure that the connection between the rosette and the chimney is well sealed up inside a wall. Also the joint between the product and the chimney connector must be fixed and sealed.

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Installation with air entry in the room.
Installation with external air entry directly connected to the wood-burning cooker.

Possible connections of the wood-burning cooker air entry. A = External air entry not connected, B = External air entry on the floor, C = External air entry on the wall.