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 Elta Variable Speed Drive IP66 - 7.5KW1 x FRQ-10A V2 Inverter Speed controller1 x FRQ5-4A V2 Inverter Speed Controller1 x NKS-D swirl diffuser v-300 x 300mm2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 22 25 Frequency Inverter1 x Elta 10 Amp Electronic single phase speed controller.1 x FU 15 40 Frequency Inverter1 x Circular Ceiling Diffuser - TST 1251 x Circular Ceiling Diffuser - TST 2001 x FU 075 52 Frequency Inverter (IP20)1 x PCA Diffuser - PCA-3151 x Elta Variable Speed Drive IP66 - 1.5KW1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 0.75KW1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FU 15 16 Frequency Inverter1 x ELTA - Three Phase Transformer 10amps1 x Circular Ceiling Diffuser - TST 1001 x Elta Variable Speed Drive IP66 - 4.0KW1 x FU 22 04 Frequency Inverter1 x Round ceiling diffuser 400mm1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x FRQ5-10A Inverter Speed controller1 x Frequency converter RUCK - FU 075 211 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x JSR 200 Painted RAL50181 x Balance S Diffuser - NO RING - 125mm1 x FU 075 04 Frequency Inverter (IP20)1 x Circular Ceiling Diffuser - TST 1601 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Single Phase Transformer 2amps2 x Round ceiling diffuser 200mm2 x Electronic extractor fan speed controller - FSC 1.51 x Round ceiling diffuser 350mm1 x Round ceiling diffuser 300mm1 x EC6H - Reversible Group Fan Electronic Controller1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Round ceiling diffuser 250mm1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 16amps2 x Elta 6 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.2 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 8amps2 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 4amps1 x Airvent ceiling fan controller1 x PCA Diffuser - PCA-2502 x Elta 6 Amp Electronic single phase speed controller.1 x EFSC-6N- Single Phase Speed Control2 x COM-31 x ELTA - Single Phase Transformer 10amps1 x TTC-2000 Three phase electric heater controller1 x EC-Vent control board2 x ACO8AC/EC AutoChangeover panel2 x ACOAS/ AC/EC Auto Changeover 8Amp1 x CONTROL ECOWATT - Basic1 x REB-CVF 0-10v Controller1 x ACO 149-ACO1/EDV1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent Room Unit1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 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 UB47- Universal Insulated Terminal1 x EM30-24 Control Panel Commissioning Service1 x Elta Wall Cowl SWC56/631 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 x GRA-100 External Grill by S&P1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Elta Louvre Shutter - 400mm1 x Jet Cowl - 315mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Vent Axia T-Series Wall Model TX9WL1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Helios TSW 7.5 Amp Transformer speed controller1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-4TK1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Remote Timer Control - 13511 x TDP-D Pressure Sensor with Display1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Speed Controller - REB51 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x MTS10- extractor fan 3 step switch1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Transformer (silent) speed controller - RE 5.0 Amp1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x VTR 300 STD Filter Kit1 x MTP 10, 10K, Speed control1 x VEKA INT 2000/15.0-L1 EKO1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Speed Controller - REB2.5-N1 x Silentub - STUB 1001 x SAVE VSR 300 heat recovery unit1 x Compact SCD450/4-1AC1 x Elta - Room Sensor - Temp/Humid/C021 x Mini Diffuser - 100mm1 x VTR 500 STD Filter Kit1 x Silentub - STUB 2001 x KBA- Inlet Mounting 1801 x Run On Timer - 5s - 4hrs - RT5A1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x MEV Spider Additional Spigots1 x CFI In-line 150 - Carbon Filter1 x CBT-170 Centrifugal1 x ACO3TO-ADS-VFC-7.1A1 x Elta SCP400/4-1AC - IP55
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...