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...
.jpg "JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans")
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 CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x RDH FLEX-SQUARE - ADH/RDH 04501 x TG-K3/NTC10-01 - Duct temperature sensor2 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Airvent ceiling fan controller1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Transformer Speed Control - RTRE- 7.0Amp1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x Helios HQW-200/4 - IP553 x Transformer (silent) speed controller - RE 3.0 Amp1 x WS - Reversing Switch from Helios Fans1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x TUNE-R-200-3-M1 - Control Damper3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Multiflow SMB550/4-1AC2 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Helios HQW-315/4 - IP552 x Speed Controller - REB52 x Speed Controller - REB1-N2 x Elta Variable Speed Drive IP66 - 0.75KW2 x Silent 100 Window Kit - windowS1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x EC6H - Reversible Group Fan Electronic Controller2 x Vent Axia Silent 100T (TIMER)2 x TG-R room temperature sensor1 x Remote Timer Control - 13511 x Electronic extractor fan speed controller - FSC 1.51 x REB-CVF 0-10v Controller1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x MEV Spider Wireless boost Switch - MEV-SWH-W4 x SG-200 Fan Guard for the HQW 2001 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Helios HQW-250/4 - IP551 x QPTW 250C Acoustic Twin Fan with Controller1 x Isolator Switch - EFF-ISO2 x PIR Sensor - PIR22 x Quietflow SQS400-1ECL - Centrifugal Box Fan2 x CBM 9-9 550w 4P VR (Open Motor)1 x TD Mixvent 800/200 EEXEIIT31 x Transformer Speed Control - RTRE- 1.5Amp1 x MTS10- extractor fan 3 step switch2 x Transformer Speed Control - RTRE- 12.0Amp1 x UB47- Universal Insulated Terminal1 x Speed Controller - REB81 x CBA-60 Inlet Flange for CBT-601 x PIR Sensor - PIR41 x RDS 11 Helios Transformer Controller With Motor Protection1 x Elta Wall Cowl SWC56/632 x MTP 10, 10K, Speed control1 x Speed Controller - REB11 x Elta 10 Amp Electronic single phase speed controller.1 x TG-K Duct temperature sensor1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x REE-2 Electronic Speed Controller1 x DDMP 12-12 3F 1810W M6A4 DG0
Best sellers
Reviews
EM 250-E2M 01- Etamaster-250
£ 128.80
Really well made but comes with no speed controler? ?and can...