Size: 315
Double Inlet Centrifugal - Inch Blowers: Nominally Dimensioned by Diameter and Length
Displaying 1 to 7 (of 7 products)
RD31S-4DW.6Q.AL - 121303 (Three Phase)
£ 1,456.92
RD31S-4DW.6Q.AL
Double inlet centrifugal fan with spiral housing. Type: RD31S-4DW.6Q.AL ...
RD31S-4EW.6Q.AL - 122296 (Single Phase)
£ 1,456.92
RD31S-4EW.6Q.AL
Double inlet centrifugal fan with spiral housing. Type: RD31S-4EW.6Q.AL ...
Displaying 1 to 7 (of 7 products)
1 x Transformer 5 Speed Controller - ATC1-4TK1 x Transformer 5 Speed Controller - ATC1-8TK1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x Helios TSW MCB Amp Transformer speed controller2 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A3 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)3 x Vent Axia ACM 125 inline mixed flow duct fan1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x MWS 3 – Transformer Controller With Motor Protection2 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Temperature Fan Speed Controller - ATCP4-WMS1 x Helios TSW 1.5 Amp Transformer speed controller1 x Push Timer Switch - ZA42 x Isolator Switch - ISOSW1 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x TTC-2000 Three phase electric heater controller1 x 7 Day Programmable TIMECLOCK1 x Elta 6 Amp Electronic single phase speed controller with TK1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp2 x COM-31 x EC-Vent control board2 x TG-K3/NTC10-01 - Duct temperature sensor1 x EM30-24 Electro-Mechanical Control Panel1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x EC6H - Reversible Group Fan Electronic Controller1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x WS - Reversing Switch from Helios Fans1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Elta ACO Panel 149-ACO18B1 x BEAS-control module1 x Systemair Save Connect 2.0 Internet Module1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Elta Variable Speed Drive IP66 - 0.75KW1 x EC-Vent Room Unit1 x Envirovent G4 Filter - SL-G4/F7
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