Non Return Valves & Shutters

Non Return Shutters

Displaying 1 to 16 (of 16 products)
Backdraft Dampers - BDP
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
Backdraught Shutters 039-SFSV-63/71
£ 192.96
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
BDS 200/250 RA b/d shutter
BDS 200/250 RA b/d shutter
£ 59.07
BDS 200/250 RA b/d shutter...
BDS 300/315 RA b/d shutter
BDS 300/315 RA b/d shutter
£ 72.20
BDS 300/315 RA b/d shutter...
BDS 350 RA b/d shutter
BDS 350 RA b/d shutter
£ 90.13
BDS 350 RA b/d shutter...
BDS 400/450 RA b/d shutter
BDS 400/450 RA b/d shutter
£ 95.33
BDS 400/450 RA b/d shutter...
BDS 500/560 RA b/d shutter
BDS 500/560 RA b/d shutter
£ 114.39
BDS 500/560 RA b/d shutter...
BDS 630/710 RA b/d shutter
BDS 630/710 RA b/d shutter
£ 144.13
BDS 630/710 RA b/d shutter...
BDS 800 RA b/d shutter
BDS 800 RA b/d shutter
£ 171.71
BDS 800 RA b/d shutter...
Flanged Damper 019-0250-STD
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
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...
Helios Condense Collector
Helios Condense Collector
£ 168.68
Helios Condense Collector...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
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
RSK355 - Back Draught Shutter
£ 82.95
Back Draught Shutter for duct installation Galvanized sheet steel housing Aluminium flaps ...
VKS 355-500 Automatic shutter
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)
1 x TTC-2000 Three phase electric heater controller1 x EC-Vent control board1 x ACO 149-ACO1/EDV1 x CONTROL ECOWATT - Basic1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Elta ACO Panel 149-ACO14E1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x EM30-24 Electro-Mechanical Control Panel1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EM30-24 Control Panel Commissioning Service1 x Elta Wall Cowl SWC45/501 x Elta Louvre Shutter - 400mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Single Deflection Grille 400mm with OBD damper1 x Manrose 150mm - XF150BP1 x Same Day Shipping Surcharge - City Sprint1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x CTVT/4-400 High Temp Roof Fan - 51369260001 x LF-ME04F071LC3AC1 x CRBB/3-190/060M EC 1HO MP - External Rotor Motor Radial Fans1 x DV-ROF-V-315 Roof mounted unit1 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm1 x CAB-250 ECOWATT Energy Efficient Acoustic Box Fan1 x HRB/6-451/20-BMVPN - Special Offer1 x Redelivery Charge1 x AW Sileo EC Plate Axial Fan - Three Phase - 630mm1 x Direct Delivery Surcharge - Pre 12:001 x Carriage for Scottish Highlands1 x CBMT/Q 200-30 1 HEATER KIT1 x AW Sileo EC Plate Axial Fan - Three Phase - 560mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 710mm1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FU 22 25 Frequency Inverter1 x Circular Ceiling Diffuser - TST 1251 x Elta Variable Speed Drive IP66 - 2.2KW1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ5-4A V2 Inverter Speed Controller1 x NKS-D swirl diffuser v-300 x 300mm1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 0.75KW1 x Frequency converter FU 075 14 - IP661 x FU 075 52 Frequency Inverter (IP20)1 x Elta 10 Amp Electronic single phase speed controller.1 x Circular Ceiling Diffuser - TST 2001 x FU 075 04 Frequency Inverter (IP20)1 x Balance S Diffuser - NO RING - 100mm1 x Circular Ceiling Diffuser - TST 1601 x Curved Blade Grille 600x600 (2way blow)1 x Balance S Diffuser - NO RING - 125mm1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FU 22 04 Frequency Inverter1 x ELTA - Three Phase Transformer 3amps1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FU 15 16 Frequency Inverter1 x Round ceiling diffuser 200mm1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Electronic extractor fan speed controller - FSC 1.51 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x TDP-D Pressure Sensor with Display1 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 2amps2 x Elta 6 Amp Electronic single phase speed controller with TK1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x EFSC-3N- Single Phase Speed Control1 x EC6H - Reversible Group Fan Electronic Controller1 x PCA Diffuser - PCA-2501 x ELTA - Single Phase Transformer 8amps1 x Elta 2 Amp Electronic single phase speed controller.1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 12amps1 x Run On Timer - 5s - 4hrs - RT5A1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 4amps2 x AIRVENT speed control - AIR4019611 x EFSC-6N- Single Phase Speed Control1 x COM-31 x Helios ZNE Electronic Fan Overrun Timer1 x ELTA - Single Phase Transformer 10amps1 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK1 x Vent Axia ACM 125 inline mixed flow duct fan1 x TG-K Duct temperature sensor1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Speed Controller - REB1-N1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Elta ACO Panel 149-ACO18B1 x Systemair Save Connect 2.0 Internet Module1 x Elta Wall Cowl SWC56/631 x PIR Sensor - PIR21 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Elta Wall Cowl SWC35/401 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Elta Wall Cowl SWC25/311 x QPTW 250C Acoustic Twin Fan with Controller1 x Rectangular Airbrick Adaptor1 x SAVE VSR 300 heat recovery unit1 x Jet Cowl - 315mm1 x IR24-P - Presence detector1 x Economy Airvent 100mm Fan with Timer1 x VTR 500 STD Filter Kit1 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x Egg Crate Grille with Dust panel filter 1 inch- 595x595
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29

Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...