CRHB/CRVB N Ecowatt fans

Economical radial roof fans suitable for higher flow rates and higher duct pressure drops.

Ventilators with air flow up to 7800 m³/h for circular pipes with diameters 250 - 500 mm.

Fan base is made of galvanized steel sheet, canopy and casing are made of Al sheet. The fans are equipped with an EC motor with thermal fuse, have IP44/IP54 protection and are suitable for operation with air temperatures up to 40 °C. Protective grille against contact.

Speed control is carried out by means of a potentiometer located in the terminal block or by an external REB Ecowatt control. Alternatively, control is via a 0-10 V control signal from a temperature, humidity or CO₂ sensor.

Product variants

Sort: By catalogue By price

Product name	Datasheet	Instruction manual	Price excl. VAT	Pieces
CRHB-250 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 36 460,00 CZK	Pieces Goods cannot be ordered Goods cannot be ordered online. Contact our sales specialists or visit our branches.	Product detail	Goods cannot be ordered online. Contact our sales specialists or visit our branches.
CRHB-280 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 45 197,00 CZK	Pieces	Product detail
CRHB-315 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 53 189,00 CZK	Pieces	Product detail
CRHB-355 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 59 282,00 CZK	Pieces	Product detail
CRHB-400 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 84 736,00 CZK	Pieces Goods cannot be ordered Goods cannot be ordered online. Contact our sales specialists or visit our branches.	Product detail	Goods cannot be ordered online. Contact our sales specialists or visit our branches.
CRHB-450 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 88 011,00 CZK	Pieces Goods cannot be ordered Goods cannot be ordered online. Contact our sales specialists or visit our branches.	Product detail	Goods cannot be ordered online. Contact our sales specialists or visit our branches.
CRHT-450 N Ecowatt IP54 roof fan	Datasheet	Instruction manual	Price excl. VAT 85 357,00 CZK	Pieces Goods cannot be ordered Goods cannot be ordered online. Contact our sales specialists or visit our branches.	Product detail	Goods cannot be ordered online. Contact our sales specialists or visit our branches.
CRHT-500 N Ecowatt IP54 roof fan	Datasheet	Instruction manual	Price excl. VAT 91 570,00 CZK	Pieces Goods cannot be ordered Goods cannot be ordered online. Contact our sales specialists or visit our branches.	Product detail	Goods cannot be ordered online. Contact our sales specialists or visit our branches.
CRVB-250 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 41 123,00 CZK	Pieces Goods cannot be ordered Goods cannot be ordered online. Contact our sales specialists or visit our branches.	Product detail	Goods cannot be ordered online. Contact our sales specialists or visit our branches.
CRVB-280 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 49 685,00 CZK	Pieces Goods cannot be ordered Goods cannot be ordered online. Contact our sales specialists or visit our branches.	Product detail	Goods cannot be ordered online. Contact our sales specialists or visit our branches.
CRVB-315 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 60 268,00 CZK	Pieces Goods cannot be ordered Goods cannot be ordered online. Contact our sales specialists or visit our branches.	Product detail	Goods cannot be ordered online. Contact our sales specialists or visit our branches.
CRVB-355 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 67 187,00 CZK	Pieces Goods cannot be ordered Goods cannot be ordered online. Contact our sales specialists or visit our branches.	Product detail	Goods cannot be ordered online. Contact our sales specialists or visit our branches.
CRVB-400 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 85 875,00 CZK	Pieces Goods cannot be ordered Goods cannot be ordered online. Contact our sales specialists or visit our branches.	Product detail	Goods cannot be ordered online. Contact our sales specialists or visit our branches.
CRVB-450 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 89 194,00 CZK	Pieces Goods cannot be ordered Goods cannot be ordered online. Contact our sales specialists or visit our branches.	Product detail	Goods cannot be ordered online. Contact our sales specialists or visit our branches.
CRVT-450 N Ecowatt IP54 roof fan	Datasheet	Instruction manual	Price excl. VAT 87 925,00 CZK	Pieces Goods cannot be ordered Goods cannot be ordered online. Contact our sales specialists or visit our branches.	Product detail	Goods cannot be ordered online. Contact our sales specialists or visit our branches.
CRVT-500 N Ecowatt IP54 roof fan	Datasheet	Instruction manual	Price excl. VAT 91 612,00 CZK	Pieces Goods cannot be ordered Goods cannot be ordered online. Contact our sales specialists or visit our branches.	Product detail	Goods cannot be ordered online. Contact our sales specialists or visit our branches.

CRHB/CRVB N Ecowatt fans

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