Monobloc 840 fireplace

The Polyflam Monobloc 840 fireplace is a heater that fits into new fireplaces without limit of shape, which leaves room for your creativity for the cladding. As well as you can choose our range of Polyflam covers, designed and manufactured by Polyflam.

The drain and the Polyflam system are one-piece for ease of installation.

It is a unique and patented system which allows to obtain a continuous fire with high yields at the same time as the pleasure of the flame and for the cooks to make good cooked meals and good grills.

These two cast iron plates allow you to switch from pleasure fire to continuous fire in complete safety.

Its continuous fire supplied with logs of 50 cm, will provide you with a comfortable heat for 8 to 10 hours, without loss of heat thanks to its trap door which remains closed during its use in continuous fire when the fire is in the low focus.

Made of corten steel (shape memory) with a thickness of 4 mm, it has a 5-year warranty.

Sold for more than 35 years in nearly 200 points of sale in France and for export with 12 countries where Polyflam is present.

SKU: MONOBLOC 840 Category:


The low fireplace has a power of 13 Kw and an efficiency of 79% which can heat an area of ​​120 m2 (according to standards and insulation in force) with three possible heat distribution modes, static, supply or extraction via ducts in your attic. .

The high fireplace, on the other hand, will be the decorative fire, the pleasure fireplace that will warm your eyes and your heart.

Additional information

Weight 265 kg
Dimensions 795 × 640 × 1685 mm

79 %

wood logs (cm)


Prolonged fire (h)

Heatable surface (m2)

120 m2

Weight (Kg)

Temperature moyenne des fumées

261,5 °C

Smoke outlet (Ø mm)