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 35 398,00 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 43 880,00 CZK	Pieces	Product detail
CRHB-315 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 51 640,00 CZK	Pieces	Product detail
CRHB-355 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 57 555,00 CZK	Pieces	Product detail
CRHB-400 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 82 268,00 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.
CRHB-450 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 85 448,00 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 82 871,00 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 88 903,00 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 39 925,00 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.
CRVB-280 N Ecowatt IP44 roof fan	Datasheet	Instruction manual	Price excl. VAT 48 238,00 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 58 513,00 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 65 230,00 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 83 374,00 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 86 596,00 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 85 364,00 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 88 944,00 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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