Non Return Valves & Shutters

Non Return Shutters

Displaying 1 to 14 (of 14 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
£ 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...
BDS 350 RA b/d shutter
BDS 350 RA b/d shutter
£ 85.84
BDS 350 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 500/560 RA b/d shutter
BDS 500/560 RA b/d shutter
£ 108.94
BDS 500/560 RA b/d shutter...
BDS 630/710 RA b/d shutter
BDS 630/710 RA b/d shutter
£ 137.27
BDS 630/710 RA b/d shutter...
BDS 800 RA b/d shutter
BDS 800 RA b/d shutter
£ 163.53
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 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
£ 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 14 (of 14 products)
1 x Elta Skyflow SSRL710-1EC1 x 110 x 54mm Short Rectangular to Round Adaptor male1 x Ancillary Pack for SB-Biflow 400 model2 x 110 x 54mm Flat Channel Clip (Pack Of 5)2 x 110 x 54mm Low Profile Plastic Ducting - 2 Meter1 x 110 x 54mm Vertical 90 Degree Bend1 x 110 x 54mm Equal Horizontal T-Piece1 x MTP 10, 10K, Speed control1 x 110 x 54mm Rectangular Wall Plate1 x CRBB/4-355/112D PRMI 230v1 x Transformer Speed Control - RTRE- 7.0Amp1 x 110 x 54mm Flat Channel Connector1 x Spiral Ducting 3 Meters - 450mm1 x TechSeal 100FR Duct Sealant Cartridge - 100FRS1 x DHS 500E4 roof fan1 x 110 x 54mm Short Rectangular to Round Adaptor Female1 x 220x90mm Equal T Piece1 x Ancillary Pack for SLC-900 for SLC900/4A-3AC and SLC900/8-3AC1 x GB-WSG 630 External Weather Louvers for the Giga-Box Fans - 630mm1 x Pre 10:30 Delivery Surcharge1 x Female Ducting Connector - 150mm1 x Male Ducting Connector - 560mm1 x Soler & Palau TCBB/6-355/H - IP441 x UB47- Universal Insulated Terminal1 x Impeller Side Guard - 350mm1 x 110 x 54mm Horizontal 90 Degree Bend1 x Flexible PVC Ducting - 110x541 x KTEX 50-30-4 Fan (ATEX)1 x Duct Termination with Mesh - 450mm1 x Anti Vibration Duct Suspension Rings - 315mm1 x Silent 300 CRZ Design PLUS Extractor Fan1 x VKS 355-500 Automatic shutter1 x 110 x 54mm Vertical 45 Degree Bend1 x MEV 160 & 300 Additional Spigots1 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x Ancillary Pack for SB-Biflow 250 model1 x 125mm Round Condensation Trap1 x GRA-100 External Grill by S&P1 x Spiral end cap - 160mm1 x Soler & Palau VFD-T inverter 5 amp IP541 x Ducting 90 Degree Bend - 315mm
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
Transformer (silent) speed controller - RE 1.5 Amp
£ 125.99

Unbelievable! With TDmixvent500: noise reduction minimum 50%...