Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 13 (of 13 products)
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...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 177.45
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
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...
Backdraught Shutters 039-SFSV-63/71
£ 180.34
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
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...
Displaying 1 to 13 (of 13 products)
1 x OZEO ECOWATT 2 Wireless Low Energy Whole House Extract Ventilation Unit1 x Etaline 250mm1 x KD 250 L1 Circular duct fan1 x Helios GigaBox 250mm GBW 250/4 centrifugal1 x Ancillary Sealing Band - 150mm1 x Ducting T Piece Equal - 80mm1 x Spiral Ducting 3 Meters - 80mm1 x Duct Quick Suspension Rings with Clasp - 150mm1 x Spiral Ducting 3 Meters - 450mm1 x Bell Mouth Inlet for Elta cased fans - 800mm1 x NKS-D swirl diffuser v-300 x 300mm1 x DDMP 10-10 FLANGE1 x CBA-80 Inlet Flange for CBT-801 x Elta Cased Axial Flange - 1000mm1 x ASF 355-500 inlet flange DVS1 x CBA-100 Inlet Flange for CBT-1001 x 7 Day Programmable TIMECLOCK1 x Classic SAX23/9ARB Wall Mounted1 x Inline Hepa filter with housing & pre-filters1 x Spiral Ducting 1 meter - 250mm1 x Duct Fast Clamps - 250mm1 x Curved boot - 250mm1 x Elta 10 Amp Electronic single phase speed controller.1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x ELTA - Single Phase Transformer 2amps1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Duct Quick Suspension Rings with Clasp - 250mm1 x Airvent ceiling fan controller1 x Ducting 90 Degree Bend - 300mm1 x Ducting Reducers Long - 300mm-250mm1 x SEL355/4-1AC1 x Metal Inline Fan - VENT-355N1 x Etaline 355mm - D2 01 3 Phase1 x SEL355/2-1AC1 x IP65 Remote Speed Adjustment Station1 x Ducting Reducer Long - 1000mm to 630mm1 x DS-2/2 2-Speed Switch IP54 (Single Phase)1 x Synthetic Air Filter Media - 6mm x 2mtr x 10mtr Half Roll1 x Synthetic Air Filter Media - 10mm x 1000mm x 1000mm1 x Male Ducting Connector - 1000mm1 x CTI CVA-N 355/400 OUTDOOR COVER for CVAB/T Fans1 x Elta SCP250/4-1AC - IP551 x Ducting T Piece Equal - 315mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm
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