Non Return Valves & Shutters

Non Return Shutters

Displaying 1 to 13 (of 13 products)
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...
BDS 300/315 RA b/d shutter
BDS 300/315 RA b/d shutter
£ 68.76
BDS 300/315 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...
BDS 350 RA b/d shutter
BDS 350 RA b/d shutter
£ 85.84
BDS 350 RA b/d shutter...
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...
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 500/560 RA b/d shutter
BDS 500/560 RA b/d shutter
£ 108.94
BDS 500/560 RA b/d shutter...
BDS 800 RA b/d shutter
BDS 800 RA b/d shutter
£ 163.53
BDS 800 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 630/710 RA b/d shutter
BDS 630/710 RA b/d shutter
£ 137.27
BDS 630/710 RA b/d shutter...
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...
Displaying 1 to 13 (of 13 products)
1 x ELTA - Single Phase Transformer 8amps1 x CC-ATEX 404 B M Short Cased Axial Fan1 x EnergiSava 210 Low Energy Heat Recovery Unit1 x Acoustic Box Fans (Inline) - CAB-400 RE1 x GEO Ground Source Heat Exchanger1 x Elta Quietflow Twin SQT500-1ECL1 x MELL-USD 3000 Rectangular to Circular Adaptor 355 Dia1 x KVK Slim 400 - Low profile Semi Acoustic Box Fan1 x Etaline 400mm1 x Etaline 400mm D4-01 3-phase1 x Helios GigaBox 400mm GBW 400/4 centrifugal1 x TCBT/4-710/H EXDIIBT4 ATEX1 x CBM 12/9 515W RE-VR1 x Etaline 400mm -EC1 x AIRVENT speed control - AIR4019611 x Elta Quietflow Twin SQT500-3ECL1 x TCBT/4-450/H EXEIIBT4 ATEX1 x Multiflow SEL400/4-1AC1 x Metal Inline Fan - VENT-400K - T (3 Phase)1 x CBM 12/9 CM/AL 1100W 6PT - Closed Motor1 x EM 400 E4M 01 - Mixed Flow Duct Fan - 400mm1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX450/4-3B Three Phase1 x Elta Variable Speed Drive IP66 - 5.5KW1 x BDS 300/315 RA b/d shutter1 x Acoustic Box Fans (Inline) - CAB-1501 x Soler & Palau TCBB/4-560/L - IP651 x BDS 630/710 RA b/d shutter1 x Ancillary Pack for SB-Biflow 400 model1 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x Ancillary Pack for SLC-3151 x Ancillary Pack for SLC-6301 x Purlin Box 300/315 for RAW Cowls1 x Backdraught Shutters 039-SFSV-63/711 x Acoustic MiniBox Fan - MINI-BOX 2001 x KVK Slim 160 - Low profile Semi Acoustic Box Fan1 x Sentinel D-BOX 150S/CP1 x FRQ-10A V2 Inverter Speed controller1 x Pre 10:30 Delivery Surcharge1 x Elta SLC560/4C-3AC - IP551 x CAB-200 ECOWATT Energy Efficient Acoustic Box Fan1 x Elta SCP400/4-1AC - IP551 x Etaline 355mm - E2-011 x HXP560/4-3 - 4 Pole - Three Phase1 x Activated Carbon Discarb Cell - 598H x 598W x 598Dmm1 x Singleflow SSDL500-3EC1 x TCDH-EXD Atex roof mounted Series1 x Air Quality Sensor - AQS1 x Quietflow SQS500-1ECL - Centrifugal Box Fan1 x Elta Turboflow-TF - 560mm - Single phase1 x Duct Wrap Insulation - AWDW25mm1 x DV-ROF-V-225 Roof mounted unit
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 ...