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 125mm Wall Duct - 350mm1 x CK-60F Kit1 x Duct Termination with Mesh - 250mm1 x Ducting Y Piece - 250mm1 x Duct Quick Suspension Rings with Clasp - 250mm1 x Spiral Ducting 1 meter - 250mm1 x Duct Suspension Rings - 250mm1 x Ducting 30 Degree Bend - 250mm1 x Ducting Y Piece - 150mm1 x Spigot plate - 100mm1 x Duct Fast Clamps - 150mm1 x 1mtr Round Ducting - 100mm1 x Spiral Ducting 3 Meters - 150mm1 x Flexible PVC Ducting - 204x601 x Ducting T Piece Equal - 150mm1 x Duct Termination with Mesh - 150mm1 x 125mm Round 90 Degree Bend1 x Spiral Ducting 1 meter - 150mm1 x FAST-TRACK RANGE 75mm - Semi-Rigid Duct 50M1 x Duct Suspension Rings - 150mm1 x FAST-TRACK RANGE 75mm - Adjustable Air Restrictor1 x Spiral Duct Grille Termination - 150mm1 x Ducting 30 Degree Bend - 150mm1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Duct Clamps box of 50 - 60mm - 170mm1 x Duct Tape - Silver - DTape1 x Spigot plate - 150mm1 x Duct Quick Suspension Rings with Clasp - 150mm1 x FAST-TRACK RANGE 90mm - Semi-Rigid Duct 50M1 x FAST-TRACK RANGE 75mm - Straight Connector1 x Ducting 90 Degree Bend - 150mm1 x Male Ducting Connector - 150mm1 x Ducting 45 Degree Bend - 150mm1 x 100mm Round 90 Degree Bend1 x Flexible PVC Ducting - 110x541 x 204x60mm 90 Degree Horizontal Bend1 x Ducting 45 Degree Bend - 160mm1 x FlameProof Plate Axial Fan - Single Phase - 15 inches - Eexd IIC T4 -4pole1 x AW 355 D4-2-EX Explosion Proof Axial Fan - ATEX1 x Metal Inline Fan - VENT-125NK1 x Rosenberg RS-315M.3EF Centrifugal Inline Fan1 x HRB/6-630-30-APN1 x AL 355 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x FSD-TD 400 x 250 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x Slotted channel
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 ...