HELIOS EC Centrifugal Roof Fans
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225 mm ø EC centrifugal roof fans RD EC
EC centrifugal roof fans RD EC 225 mm ø
Accessories
Hinged base attenuator - Type SSD 225
Sloping roof base - Type SDS
Flat roof base - Type FDS 225
Corrugated roof base - Type WDS 225
Counterflange - Type FR 225
Flanged flexible connector - Type STS 225
Backdraught shutter - Type RVS 225
Motorised backdraught shutter - Type RVM 225
Universal control system - Type EUR EC
Speed-potentiometer - Type PU/PA 10
315 mm ø EC centrifugal roof fans RD EC
EC centrifugal roof fans RD EC 315 mm ø
315 mm ø EC centrifugal roof fans RD EC
EC centrifugal roof fans RD EC 315 mm ø
Accessories
Hinged base attenuator - Type SSD 315
Sloping roof base - Type SDS
Flat roof base - Type FDS 315
Corrugated roof base - Type WDS 315
Counterflange - Type FR 315
Flanged flexible connector - Type STS 315
Backdraught shutter - Type RVS 315
Motorised backdraught shutter - Type RVM 315
Universal control system - Type EUR EC
Speed-potentiometer - Type PU/PA 10
400 mm ø EC centrifugal roof fans RD EC
EC centrifugal roof fans RD EC 400 mm ø
Accessories
Hinged base attenuator - Type SSD 400
Sloping roof base - Type SDS
Flat roof base - Type FDS 400
Corrugated roof base - Type WDS 400
Counterflange - Type FR 400
Flanged flexible connector - Type STS 400
Backdraught shutter - Type RVS 400
Motorised backdraught shutter - Type RVM 400
Universal control system - Type EUR EC
Speed-potentiometer - Type PU/PA 10
450 mm ø EC centrifugal roof fans RD EC
EC centrifugal roof fans RD EC 450 mm ø
450 mm ø EC centrifugal roof fans RD EC
EC centrifugal roof fans RD EC 450 mm ø
Accessories
Hinged base attenuator - Type SSD 450
Sloping roof base - Type SDS
Flat roof base - Type FDS 450
Corrugated roof base - Type WDS 450
Counterflange - Type FR 450
Flanged flexible connector - Type STS 450
Backdraught shutter - Type RVS 450
Motorised backdraught shutter - Type RVM 450
Universal control system - Type EUR EC
Speed-potentiometer - Type PU/PA 10
