Non Return Valves & Shutters

Non Return Shutters

Displaying 1 to 13 (of 13 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...
BDS 630/710 RA b/d shutter
BDS 630/710 RA b/d shutter
£ 137.27
BDS 630/710 RA b/d shutter...
BDS 400/450 RA b/d shutter
BDS 400/450 RA b/d shutter
£ 90.79
BDS 400/450 RA b/d shutter...
BDS 350 RA b/d shutter
BDS 350 RA b/d shutter
£ 85.84
BDS 350 RA b/d shutter...
BDS 500/560 RA b/d shutter
BDS 500/560 RA b/d shutter
£ 108.94
BDS 500/560 RA b/d shutter...
BDS 800 RA b/d shutter
BDS 800 RA b/d shutter
£ 163.53
BDS 800 RA b/d shutter...
BDS 200/250 RA b/d shutter
BDS 200/250 RA b/d shutter
£ 56.26
BDS 200/250 RA b/d shutter...
BDS 300/315 RA b/d shutter
BDS 300/315 RA b/d shutter
£ 68.76
BDS 300/315 RA b/d shutter...
Backdraught Shutters 039-SFSV-63/71
Backdraught Shutters 039-SFSV-63/71
£ 180.34
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
Helios Condense Collector
Helios Condense Collector
£ 163.77
Helios Condense Collector...
Flanged Damper 019-0250-STD
Flanged Damper 019-0250-STD
£ 396.97
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...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 177.45
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
VKS 355-500 Automatic shutter
VKS 355-500 Automatic shutter
£ 85.00
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 13 (of 13 products)
1 x Anti Vibration Mounts - Large - Pack of 4 - AVM11 x Soler & Palau TCBT/4-315/H - IP441 x DT-1 Duct Mounted Thermostat1 x Helios HRFD 315/22 x AES-Fire control unit1 x Roof Axial Cowl - RAW10001 x Raptor SDA630/46-3AC1 x Belt Drive Cased Axial Fan - 800mm - H version1 x SPI-100 C Iris damper1 x MEV Spider Additional Spigots1 x OZEO ECOWATT 2 Wireless Low Energy Whole House Extract Ventilation Unit1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HAS1 x Purlin Box 1000 for RAW Cowls1 x Metal Inline Fan - VENT-355N1 x Helios GigaBox 355mm GBW 355/4 centrifugal1 x DV-ROF-V-225 Roof mounted unit1 x SEL355/4-1AC1 x FU 15 16 Frequency Inverter1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x CBA-80 Inlet Flange for CBT-801 x Elta Cased Axial Flange - 400mm1 x Elta Cased Axial Flange - 315mm1 x Soler & Palau TCBB/4-355/H - IP441 x Metal Inline Fan - VENT-100NK1 x JETLINE-100 - In Line Centrifugal Duct Fan1 x HRST/4-710-20 BPN C Rotorex Sickle bladed fan1 x Jetflow-HIT Metal inline - 100mm1 x Kitchen Grease Filter - Mesh Type NON standard 390mm x 240mm x 40mm Actual1 x Gorilla HVLSX301 x Kitchen Grease Filter - Mesh Type Non standard : 381 x 355 x 47mm1 x EBB-250 T DESIGN Centrifugal Extractor Fan1 x Elta 2 Amp Electronic single phase speed controller.1 x EDM 100 CHZ1 x EBB-175 S DESIGN Centrifugal Extractor Fan1 x ELTA - Single Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x Elta SLC450-1EC -IE5 Motor- IP551 x CBMT/Q 160-15 1 HEATER KIT1 x Elta SLC450/2A-3AC - IP551 x Helios VARW 450/4 - TK1 x Soler & Palau HXM-200mm1 x Elta SLC710/4A-3AC - IP551 x 150mm Round Equal T Piece1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x HXP450/4-3 - 4 Pole - Three Phase1 x GB-WK Wall Bracket For Giga Box Fans - 400-630mm1 x AL 315 Mounting Feet (Pair)1 x CVAT Acoustic Kitchen Fan & Inverter Kit - CVAT/4-6000/500 ND - Pack 61 x Duct Mounted Filter Box - G4 Grade Panel - 125mm1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF500/4-3AC - Three Phase1 x GX6 Wall Kit1 x ACOFR9A-ADS-VFC - Automatic Duty Share Changeover panel1 x HCFT/4-315mm plastic impeller plate fan1 x BF VVX-200 - Villavent Filter1 x CVAT Acoustic Kitchen Fan & Inverter Kit - CVAT/4-12000/560 ND - Pack 81 x Hydor HPA315/4-1A1 x DA12/12 Feet1 x HV Wall Mounted Belt Drive Fan 1000mm 400V / 50Hz 0.75kW - Three Phase1 x IP65 Remote Speed Adjustment Station1 x HRT/4-315-BPN1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Elta SCP400/4-3AC - IP551 x Acopel F400-280/1601 x HD Series Control Damper - 2000mm X 1000mm1 x Soler & Palau TCBB/6-400/H - IP441 x Delivery Surcharge1 x Elta SCP400-1EC - IP551 x Spiral Ducting 3 Meters - 800mm1 x Nicotra RDH E4-0355 (K)1 x Soler & Palau - HCBT/6-800/H - IP651 x Acopel F400-450/1601 x Acopel F400-710/1801 x HCFT/4-400/H-BPN E20,P 0.25KW1 x SD-MUB Vibration pad set1 x High Temperature Flexible Connector - 063-710-PU2501 x Soler & Palau - HXBR/4-400/H - IP541 x AL 400 D2 01 AXIALINE - High Performance Long Cased Axial Fan1 x Direct Delivery Surcharge1 x Elta SCP400/4-1AC - IP551 x AEL - Outlet Flexible Connection for TLZ450 R1 x HCFT/6-800-H plastic impeller plate fan1 x Ancillary Pack for SDA350/4-1EC1 x Helios HQW-400/4 - IP551 x Spigot plate - 800mm1 x Elta SLC400-1EC -IE5 Motor- IP551 x Acopel F400-120/1601 x Soler & Palau - HCBB/6-400/H - IP651 x Elta Standard Ambient Flexible Connector - 1000mm1 x SDD-U Anti Vibration Pads1 x Elta Box Fan AV Mounts - 063-SEL03 (PACK of 4)1 x DPD SAT Delivery Surcharge1 x Raptor SDA250/4-1AC1 x Pulser Temperature control1 x Vent Cowl - VC101 x KVK Slim 200 - Low profile Semi Acoustic Box Fan1 x Acoustic Box Fans (Inline) - CAB-1001 x Singleflow SSDL500-1EC1 x UB46- Universal Insulated Terminal1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX560/4-3 Three Phase1 x KVK SLIM 500 EC - Centrifugal Circular Duct Fan1 x Ducting 30 Degree Bend - 450mm1 x Soler & Palau - HCBT/4-900/H - IP551 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX630/4-3 Three Phase1 x Room Thermostat RT 0-301 x Singleflow SSDL200-1EC1 x Singleflow SSDL500-3EC1 x SLIMPAK 100 EC BOX FAN - 100mm Energy Efficient Acoustic Box Fan1 x UB47- Universal Insulated Terminal1 x Ducting 45 Degree Bend - 315mm1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x MUB 016 200EC - Acoustic EC Box Fan1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Ducting 45 Degree Bend - 450mm1 x 204x60mm Elbow Bend with 125mm Fixed Spigot1 x VKS 355-500 Automatic shutter1 x BDS 350 RA b/d shutter
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56

I have a loft mount extractor fan which was very noisy. I ...