• UPC/EAN:8413893376589
  • Model:TDSILENT250

TD-SILENT 250/100

£ 168.27 (excl. VAT)

£ 201.92 (inc. VAT)

Standard versions on 150mm versions and above now have three speed motors.

Spigot size: 100mm
Airflow: 250m3/hr
Power Absorbed: 27W
Sound level: 25db radiated @ 3M.

The S&P TD SILENT Series Inline Mixed Flow Ultra Quiet Duct Fan

The S&P TD Silent inline fan range are Mixed-flow fans with sound-absorbent insulation. Sound waves produced inside the TD, are directed through the perforated inner skin and absorbed by the layer of sound-absorbent material.
Similar to the already very quiet TD range from S&P but with added sound insulation.
The low profile of the TD-SILENT inline fans makes them the most effective solution for installations where the space of installation is limited such as false ceilings.
You will not believe the sound ratings on the larger fans of this range, they are quite unparalleled by any other fans of that type and size.
Sound levels have been reduced in the inlet and outlet ducts as well as massive reductions in radiated sound levels making the TD-SILENT up to 12dB(A) quieter than major competitors.
As a 'mix-vent' fan these develop less pressure than our acoustic centrifugal box fans, but for use with duct runs shorter than 10 meters or so are perfectly adequate. We anticipate these fans becoming the standard for domestic acoustic in-line extraction systems.

Fitted with rubber gaskets on the inlet and outlet to absorb vibrations, a body that can be dismantled.
Connection box can be rotated 360º, to facilitate easy connection of the power cable.

The Envirovent SILMV is exactly the same product, made in the same factory. Depending on stock we may ship the Envirovent version, which has an extended 5yr warranty.
Click HERE for link to promo movie.



Motors Speed controllable 230 V 50 Hz motor on the standard 2 speed motor version.
Motors are IP44, class B, with ball bearings and safety thermal overload protection.




(Excluding E-Bay)
PDF Files


TD-Silent Series

Available Options

1 x CBM Low Pressure Centrifugal Fan - CBM 10/8 4 Pole 550watt CVR1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 7.5KW3 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 075 52 Frequency Inverter (IP20)1 x FU 22 25 Frequency Inverter1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 15 40 Frequency Inverter1 x FRQ-10A V2 Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP663 x Elta Variable Speed Drive IP66 - 0.75KW1 x ELTA - Three Phase Transformer 3amps1 x ELTA - Three Phase Transformer 10amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)2 x Elta 10 Amp Electronic single phase speed controller.2 x FRQ5-10A Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x Circular Ceiling Diffuser - TST 1001 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 2001 x Balance S Diffuser - NO RING - 125mm1 x Round ceiling diffuser 400mm4 x Electronic extractor fan speed controller - FSC 1.51 x JSR 200 Painted RAL50183 x EC6H - Reversible Group Fan Electronic Controller2 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Circular Ceiling Diffuser - TST 1601 x EFSC-3N- Single Phase Speed Control3 x Elta 3 Amp Electronic single phase speed controller with TK1 x Balance S Diffuser - NO RING - 100mm1 x Elta 2 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 200mm1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 8amps3 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 12amps1 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 350mm4 x COM-31 x Round ceiling diffuser 250mm1 x EFSC-6N- Single Phase Speed Control1 x PCA Diffuser - PCA-2501 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer3 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU2 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel4 x Transformer 5 Speed Controller - ATC1-4TK1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Easy-fix termination kit - High Rise Ventilator - EFT1 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/633 x CS2 Current Switch1 x MV-B Dual Switch for use with Helios HQW plate fans,2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Vent Axia ACM 150 inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-12TK2 x Helios TSW 7.5 Amp Transformer speed controller2 x RDS 11 Helios Transformer Controller With Motor Protection2 x Three Phase Transformer controllers - RMT 1.5 Amp2 x Helios TSW MCB Amp Transformer speed controller1 x RDS 7 Helios Transformer Controller With Motor Protection1 x Helios TSW 10 Amp Transformer speed controller1 x Vent Axia ACM 200 inline mixed flow duct fan2 x Vent Axia ACM 100 inline mixed flow duct fan3 x Vent Axia ACM 125 inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-8TK1 x Helios TSW 3 Amp Transformer speed controller1 x DEF-140T Inlet Guard for the CBT-100N2 x Isolator Switch - ISOSW1 x MWS 3 – Transformer Controller With Motor Protection2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x TG-K Duct temperature sensor1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-44 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan3 x Remote controller FLEX - for VEKO INT2 x Transformer 5 Speed Controller - ATC1-10TK2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x BEAS-control module1 x ERR 20/1 Centrifugal inline fan1 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box1 x Helios HQW-200/2 - IP552 x MWS 1.5 – Transformer Controller With Motor Protection2 x WS - Reversing Switch from Helios Fans2 x Envirovent G4 Filter - SL-G4/F71 x Two Speed Switch - REGUL-22 x Vent Axia T-Series Controller3 x Helios HQW-630/4 - IP551 x ERR 31/1 Centrifugal inline fan2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x Transformer (silent) speed controller - RE 3.0 Amp2 x Transformer Speed Control - RTRE- 12.0Amp1 x CBS-60 Outlet Flange for CSB/CBT-602 x Helios HQW-200/4 - IP551 x FAST-TRACK RANGE 90mm - Click Ring (1 bag of 10)2 x Airvent ceiling fan controller2 x Transformer (silent) speed controller - RE 1.5 Amp2 x Speed Controller - REB52 x TG-R room temperature sensor2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)2 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Multiflow SMB550/4-1AC2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x Isolator Switch - EFF-ISO1 x Quietflow SQS400-1ECL - Centrifugal Box Fan2 x Transformer (silent) speed controller - RE 5.0 Amp2 x Transformer Speed Control - RTRE- 7.0Amp1 x Skyflow SSR Horizontal Roof Cowl SSR80B3 x Helios HQW-315/4 - IP551 x Transformer Speed Control - RTRE- 5.0Amp1 x Helios PU10 Speed Potentiometer (Flush Mounted)3 x Speed Controller - REB1-N2 x Transformer 5 Speed Controller - ATC1-2TK3 x REB-CVF 0-10v Controller3 x MTP 10, 10K, Speed control1 x DDMP 09-09 3F 2130W M6A4 DG03 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Transformer speed controller - ATC1 - 1.5 Amps2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC35/401 x CBM 9-9 550w 4P VR (Open Motor)2 x Silent 100 Window Kit - windowS1 x Elta Louvre Shutter - 400mm3 x PIR Sensor - PIR21 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x Skyflow SSR Horizontal Roof Cowl SSR31/35B2 x MTS10- extractor fan 3 step switch1 x Transformer Speed Control - RTRE- 1.5Amp1 x Elta Wall Cowl SWC45/501 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Elta Wall Cowl SWC25/311 x CBA-60 Inlet Flange for CBT-602 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x Helios HQW-250/4 - IP551 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Speed Controller - REB11 x DDMP 12-12 3F 1810W M6A4 DG01 x QPTW 250C Acoustic Twin Fan with Controller1 x TD Mixvent 800/200 EEXEIIT3
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