• 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 Elta Variable Speed Drive IP66 - 7.5KW1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 15 40 Frequency Inverter1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x FU 075 52 Frequency Inverter (IP20)1 x FU 22 25 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter RUCK - FU 075 201 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW2 x Elta 10 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 1.5KW1 x NKS-D swirl diffuser v-300 x 300mm1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 10amps1 x FRQ5-10A Inverter Speed controller1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Circular Ceiling Diffuser - TST 1251 x FU 075 04 Frequency Inverter (IP20)1 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 2001 x ELTA - Single Phase Transformer 2amps1 x Balance S Diffuser - NO RING - 125mm1 x Round ceiling diffuser 400mm1 x JSR 200 Painted RAL50184 x Elta 3 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 12amps1 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 4amps1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)3 x COM-31 x PCA Diffuser - PCA-2501 x Elta 6 Amp Electronic single phase speed controller.1 x EFSC-6N- Single Phase Speed Control3 x Remote Timer Control - 13511 x ELTA - Single Phase Transformer 10amps1 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer3 x Push Timer Switch - ZA43 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B2 x 7 Day Programmable TIMECLOCK1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x Curved Blade Grille 600x600 (2way blow)2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Circular Ceiling Diffuser - TST 1603 x EC6H - Reversible Group Fan Electronic Controller1 x Round ceiling diffuser 200mm1 x EFSC-3N- Single Phase Speed Control1 x Elta 2 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 16amps4 x Elta 6 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 300mm1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 8amps2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Round ceiling diffuser 350mm2 x CS2 Current Switch2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Electronic extractor fan speed controller - FSC 1.53 x Vent Axia T-Series Controller4 x Transformer (silent) speed controller - RE 3.0 Amp1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Elta Wall Cowl SWC56/635 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan4 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 Transformer 5 Speed Controller - ATC1-4TK2 x Transformer 5 Speed Controller - ATC1-8TK3 x Transformer 5 Speed Controller - ATC1-12TK1 x Round ceiling diffuser 250mm2 x Vent Axia ACM 100 inline mixed flow duct fan3 x Vent Axia ACM 125 inline mixed flow duct fan4 x Isolator Switch - ISOSW2 x MWS 3 – Transformer Controller With Motor Protection1 x TTC-2000 Three phase electric heater controller2 x TG-K Duct temperature sensor2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp3 x WS - Reversing Switch from Helios Fans3 x MWS 1.5 – Transformer Controller With Motor Protection3 x Transformer Speed Control - RTRE- 12.0Amp2 x BEAS-control module2 x Helios HQW-200/2 - IP551 x EM30-24 Electro-Mechanical Control Panel1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EC-Vent Room Unit2 x Transformer (silent) speed controller - RE 1.5 Amp3 x Helios HQW-630/4 - IP553 x Helios TSW 7.5 Amp Transformer speed controller2 x Helios TSW 0.3Amp Compact Transformer speed controller3 x Helios TSW 3 Amp Transformer speed controller2 x Helios TSW MCB Amp Transformer speed controller3 x Helios TSW 1.5 Amp Transformer speed controller4 x Transformer speed controller - ATC1 - 1.5 Amps4 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Two Speed Switch - REGUL-21 x Envirovent G4 Filter - SL-G4/F73 x TG-K3/NTC10-01 - Duct temperature sensor3 x Helios HQW-200/4 - IP551 x Easy-fix termination kit - High Rise Ventilator - EFT2 x Speed Controller - REB52 x TG-R room temperature sensor1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Transformer (silent) speed controller - RE 5.0 Amp2 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Helios HQW-315/4 - IP551 x CBM 9-9 550w 4P VR (Open Motor)1 x Transformer Speed Control - RTRE- 1.5Amp1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x MTS10- extractor fan 3 step switch1 x Speed Controller - REB1-N1 x DEF-CBM-RE-7 - Protection Guard1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-42 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan3 x Transformer 5 Speed Controller - ATC1-2TK2 x Temperature Fan Speed Controller - ATCP4-WMS1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE3 x Systemair Save Connect 2.0 Internet Module1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Elta ACO Panel 149-ACO18B1 x Speed Controller - REB102 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Transformer Speed Control - RTRE- 7.0Amp2 x RDS 11 Helios Transformer Controller With Motor Protection1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.3 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Vent Axia SC5001 - Speed controller1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x REE-1 Electronic Speed Controller1 x RDS 7 Helios Transformer Controller With Motor Protection2 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x ACO 149-ACO1/EDV1 x ERR 20/1 Centrifugal inline fan1 x CBS-60 Outlet Flange for CSB/CBT-601 x DEF-140T Inlet Guard for the CBT-100N1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Airvent ceiling fan controller1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x MEV Spider Wireless boost Switch - MEV-SWH-W
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