Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 14 (of 14 products)
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
£ 180.34
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
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
£ 177.45
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
.jpg "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
£ 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 Spiral Duct Grille Termination - 630mm1 x 150mm Wall Duct - 350mm1 x Manual Overide Switch - MOS1 x 2mtr Round Ducting - 150mm2 x Universal Pipe Fixing Clip1 x ACO3/BD Changover Panel (Three Phase)1 x Shoed T Piece Un-Equal -630mm-500mm1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Pressed Ducting Saddle - 630mm1 x 150mm Round 90 Degree Bend1 x Backdraught Shutters 039-SFSV-63/711 x 1mtr Round Ducting - 125mm1 x Elta SLC900/4A-3AC - IP551 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x EVL Filter G4 grade for PIV units1 x Spiral end cap - 100mm1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Soler & Palau TCBT/4-630/H - IP651 x Spiral Duct Grille Termination - 100mm1 x VKS 355-500 Automatic shutter1 x LCA403226 - Long Cased Axial Fan1 x Soler & Palau TCBT/4-400/H - IP441 x SLC040J2-A6/21 - High Performance Long Cased Axial Fan1 x MEV 160 & 300 FT (FastTrack) Additional Spigots1 x 125mm Round Connector1 x ELTA - Single Phase Transformer 10amps1 x Spiral Ducting 1 meter - 100mm1 x ELTA - Single Phase Transformer 8amps1 x Flanged Spigot - 100mm1 x 125mm Round Wall Plate1 x 220x90mm Equal T Piece1 x Rosenberg DQ 1000-8 plate axial fan1 x Elta SLC900/4B-3AC - IP551 x ELTA - Single Phase Transformer 4amps1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HWAS1 x Elta 6 Amp Electronic single phase speed controller with TK1 x CCZ-404-T (three Phase)1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HW1 x BDS 300/315 RA b/d shutter1 x 125mm Round Equal T Piece1 x Helios GigaBox 450mm GBD 450 centrifugal - EC Motor1 x OZEO ECOWATT 2 Wireless Low Energy Whole House Extract Ventilation Unit1 x COM-31 x Elta SLC400/4-3AC - IP55
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Reviews
Transformer (silent) speed controller - RE 1.5 Amp
£ 125.99
Unbelievable! With TDmixvent500: noise reduction minimum 50%...