Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 17 (of 17 products)
Backdraft Dampers - BDP
£ 5.98
Ducting Backdraft Dampers
The BDP01 damper has aluminium lamellae which open during the air flow in one direction and close when air is draught back. When no air is flowing, the lamellae are maint...
Backdraught Shutters 039-SFSV-63/71
£ 192.96
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
Flanged Damper 019-0250-STD
£ 424.76
Flanged Damper 019-0250-STD
Prevents reverse flow of air when fan is not operating
Fixed directly to fan case flange
Hot dip galvanised steel
Galvanised steel butterfly type blades
Suitable for...
Flanged Damper 019-0500-STD
£ 583.15
Flanged Damper 019-0500-STD
Prevents reverse flow of air when fan is not operating
Fixed directly to fan case flange
Hot dip galvanised steel
Galvanised steel butterfly type blades
Suitable for...
Flanged Damper 019-0560-STD
£ 602.00
Flanged Damper 019-0560-STD
Prevents reverse flow of air when fan is not operating
Fixed directly to fan case flange
Hot dip galvanised steel
Galvanised steel butterfly type blades
Suitable for...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
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JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 456.75
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans...
RSK355 - Back Draught Shutter
£ 82.95
Back Draught Shutter
for duct
installation
Galvanized sheet steel housing
Aluminium flaps ...
VKS 355-500 Automatic shutter
£ 89.25
VKS Dampers
Automatic shutter
Automatic operation
Robust construction
Seawater resistant
Robust
The VKS is fitted with shutter blades that are manufactured from
seawater-resistant aluminium...
Displaying 1 to 17 (of 17 products)
1 x Speed Controller - REB101 x ACO 149-ACO1/EDV1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Elta 6 Amp Electronic single phase speed controller with TK1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Transformer Speed Control - RTRE- 7.0Amp3 x SG-200 Fan Guard for the HQW 2001 x TG-K3/NTC10-01 - Duct temperature sensor2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Helios HQW-315/4 - IP551 x REB-CVF 0-10v Controller2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Elta ACO Panel 149-ACO18B1 x CBA-60 Inlet Flange for CBT-601 x KKS 100 silencer-section - For use with the MUB 100 size Fans.4 x MWS 1.5 – Transformer Controller With Motor Protection1 x Systemair Save Connect 2.0 Internet Module1 x Envirovent G4 Filter - SL-G4/F71 x TUNE-R-200-3-M1 - Control Damper3 x MTP 10, 10K, Speed control1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)4 x Helios HQW-200/4 - IP551 x Transformer (silent) speed controller - RE 1.5 Amp1 x TD Mixvent 800/200 EEXEIIT31 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x CBM 9-9 550w 4P VR (Open Motor)3 x EC-Vent Room Unit3 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection4 x WS - Reversing Switch from Helios Fans1 x EM30-24 Control Panel Commissioning Service2 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Transformer Speed Control - RTRE- 1.5Amp1 x Silent 100 Window Kit - windowS1 x MTS10- extractor fan 3 step switch1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Helios HQW-630/4 - IP551 x QPTW 250C Acoustic Twin Fan with Controller1 x PIR Sensor - PIR21 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x Helios HQW-250/4 - IP551 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x RDS 11 Helios Transformer Controller With Motor Protection1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x ELM 18 EX Flexible Cuff for ERM 181 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x REE-2 Electronic Speed Controller2 x Transformer (silent) speed controller - RE 3.0 Amp1 x Elta 10 Amp Electronic single phase speed controller.1 x DDMP 12-12 3F 1810W M6A4 DG02 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x FRQ5-10A Inverter Speed controller1 x Compact SCD450/4-1AC1 x Speed Controller - REB12 x Electronic extractor fan speed controller - FSC 1.51 x UB47- Universal Insulated Terminal1 x DDMP 10-08 3F 2210W M6A4 DG01 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x PIR Sensor - PIR41 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Speed Controller - REB81 x Elta 6 Amp Electronic single phase speed controller.1 x EC6H - Reversible Group Fan Electronic Controller1 x VTR 300 STD Filter Kit
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Vectaire Elegance Low Energy DMEV Fan Range
£ 131.69
I've had 2 of these fans for 4 years now, and they are great...