Non Return Valves & Shutters

Non Return Shutters

Displaying 1 to 15 (of 15 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
£ 180.34
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
£ 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...
Helios - RVS 560 Back draught shutter - 560mm
Helios - RVS 560 Back draught shutter - 560mm
£ 239.00
Helios - RVS 560 Back draught shutter - 560mm...
Helios Condense Collector
Helios Condense Collector
£ 163.77
Helios Condense Collector...
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...
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 435.00
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans...
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 15 (of 15 products)
1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 150mm1 x MELL-USD 3000 Rectangular to Circular Adaptor 355 Dia1 x HRFD 400/4 EX Atex Rated 400mm Cased Axial Fan 400v1 x Duct Mounted Filter Box - G4 Grade Panel - 450mm1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 400mm1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 100mm1 x Duct Mounted Filter Box - MINICELL F7 Grade Panel Filter 315mm Spigot1 x LCA403218 - Long Cased Axial Fan1 x HRFD 400/4/2 Cased Axial Fan 400mm - 3 Phase1 x Duct Mounted Filter Box - G4 Grade Panel - 400mm1 x Elta SLC400/4-3AC - IP551 x Duct Mounted Filter Box - G4 Grade Panel - 200mm1 x Duct Mounted Filter Box - G4 Grade Panel - 355mm1 x Duct Mounted Filter Box - 450mm - M6 grade Bag filter1 x Elta SLC400/4-1AC - IP551 x PBB/4-400 Portable Cooling Fan1 x CRBB/4-400/J ML UL1 x Soler & Palau TCBT/4-400/H - IP441 x BFR 100-160 Coarse 50% Filter1 x CCZ-404 (Single Phase)1 x PBT/4-400 Portable Cooling Fan1 x Multiflow SEL400/4-1AC1 x Shoed T Piece Equal -100mm1 x Differential Pressure Switch - 50 - 500 Pa - IP541 x Spiral Duct Grille Termination - 100mm1 x EuroSeries (ESP) - Plate Mounted Axial Fans 315-121 x Ducting T Piece Equal - 355mm1 x Kitchen Extract Grille with Grease Filter - 280x185 - CEF NO GRILL BOX1 x Elta Wall Cowl SWC35/401 x Hydor HPA315/4-1A1 x Quietflow SQS500-3ECL - Centrifugal Box Fan1 x Spigot plate - 355mm1 x SPI-200 C Iris damper1 x HRT/6-630/35-BZ E111 x Soler & Palau - HXBR-200 ECOWATT - IP44
Air Quality Sensor - AQS
Air Quality Sensor - AQS
£ 98.29 now £ 65.00
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 ...