Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 16 (of 16 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...
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 16 (of 16 products)
3 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 1251 x Balance S Diffuser - NO RING - 125mm3 x Electronic extractor fan speed controller - FSC 1.51 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 1002 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 2001 x Elta 2 Amp Electronic single phase speed controller.1 x Curved Blade Grille 600x600 (2way blow)1 x JSR 200 Painted RAL50181 x 5-Speed Controller for use with Elta SAX Classic Fans2 x Elta 3 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 400mm3 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 8amps1 x Elta 3 Amp Electronic single phase speed controller.1 x Circular Ceiling Diffuser - TST 1601 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 12amps1 x COM-31 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 200mm1 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 300mm1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x ELTA - Single Phase Transformer 10amps1 x Run On Timer - 5s - 4hrs - RT5A3 x Remote Timer Control - 13513 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU2 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B3 x Systemair Save Connect 2.0 Internet Module1 x EC-Vent Room Unit1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT3 x REB-CVF 0-10v Controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Silent 100 Window Kit - windowS1 x Elta Wall Cowl SWC56/631 x GRA-100 External Grill by S&P2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 150 inline mixed flow duct fan2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x BEAS-control module2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted3 x Speed Controller - REB54 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan6 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan3 x Remote controller FLEX - for VEKO INT3 x Helios TSW 7.5 Amp Transformer speed controller2 x Transformer 5 Speed Controller - ATC1-4TK1 x Transformer 5 Speed Controller - ATC1-8TK3 x Transformer 5 Speed Controller - ATC1-12TK3 x Helios TSW 3 Amp Transformer speed controller3 x Helios TSW MCB Amp Transformer speed controller2 x Vent Axia ACM 100 inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-10TK4 x Vent Axia ACM 125 inline mixed flow duct fan3 x CS2 Current Switch5 x Isolator Switch - ISOSW2 x MWS 3 – Transformer Controller With Motor Protection2 x TG-K Duct temperature sensor2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT3 x Elta 6 Amp Electronic single phase speed controller with TK3 x WS - Reversing Switch from Helios Fans4 x Helios HQW-630/4 - IP555 x Transformer (silent) speed controller - RE 3.0 Amp2 x Transformer Speed Control - RTRE- 12.0Amp3 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Vent Axia T-Series Controller2 x Multiflow SMB550/4-1AC2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)2 x Transformer (silent) speed controller - RE 5.0 Amp2 x Elta Variable Speed Drive IP66 - 2.2KW3 x MTP 10, 10K, Speed control2 x Temperature Fan Speed Controller - ATCP4-WMS6 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x TG-K3/NTC10-01 - Duct temperature sensor2 x REE-1 Electronic Speed Controller1 x Two Speed Switch - REGUL-22 x TG-R room temperature sensor2 x Elta Variable Speed Drive IP66 - 0.75KW3 x Helios HQW-315/4 - IP552 x Speed Controller - REB1-N2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x MEV Spider Wireless boost Switch - MEV-SWH-W3 x QPTW 250C Acoustic Twin Fan with Controller3 x PIR Sensor - PIR21 x CBM 9-9 550w 4P VR (Open Motor)1 x Transformer Speed Control - RTRE- 1.5Amp1 x Elta Louvre Shutter - 400mm1 x Transformer 5 Speed Controller - ATC1-2TK2 x Vent Axia ACM 200 inline mixed flow duct fan4 x Helios HQW-200/4 - IP552 x Transformer (silent) speed controller - RE 1.5 Amp2 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x MWS 1.5 – Transformer Controller With Motor Protection2 x Helios PU10 Speed Potentiometer (Flush Mounted)5 x Commercial Single or 3 phase Fan Reversing Switch - RS13 x Speed Controller - REB101 x Transformer Speed Control - RTRE- 7.0Amp1 x Speed controller with Reverse - REB-1R2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x Transformer speed controller - ATC1 - 1.5 Amps4 x SG-200 Fan Guard for the HQW 2002 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Helios TSW 0.3Amp Compact Transformer speed controller4 x MV-B Dual Switch for use with Helios HQW plate fans,1 x DEF-140T Inlet Guard for the CBT-100N1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x TUNE-R-200-3-M1 - Control Damper1 x RDS 7 Helios Transformer Controller With Motor Protection2 x CBS-60 Outlet Flange for CSB/CBT-601 x DDMP 12-12 3F 1810W M6A4 DG02 x Helios HQW-250/4 - IP551 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x MTS10- extractor fan 3 step switch1 x CBA-60 Inlet Flange for CBT-601 x Vent Axia Silent 100T (TIMER)1 x UB47- Universal Insulated Terminal1 x Elta Wall Cowl SWC35/401 x ELM 18 EX Flexible Cuff for ERM 181 x PIR Sensor - PIR41 x Elta Wall Cowl SWC45/50
Best sellers
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...