• 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

2 x Elta Variable Speed Drive IP66 - 4.0KW1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX400/2-3 Three Phase1 x RDH Flange - 02503 x Elta Variable Speed Drive IP66 - 2.2KW1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 15 40 Frequency Inverter1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)3 x Helios TSW 7.5 Amp Transformer speed controller1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Frequency converter RUCK - FU 075 201 x Frequency converter FU 075 14 - IP664 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 075 52 Frequency Inverter (IP20)1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x FU 22 25 Frequency Inverter1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 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 - 1.5KW1 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 PCA Diffuser - PCA-3151 x ELTA - Single Phase Transformer 2amps4 x Electronic extractor fan speed controller - FSC 1.51 x Circular Ceiling Diffuser - TST 2001 x Curved Blade Grille 600x600 (2way blow)1 x Round ceiling diffuser 400mm1 x JSR 200 Painted RAL50183 x EC6H - Reversible Group Fan Electronic Controller1 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 8amps1 x ELTA - Single Phase Transformer 16amps3 x Airvent ceiling fan controller1 x Round ceiling diffuser 300mm4 x COM-31 x Round ceiling diffuser 250mm1 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 4amps1 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 350mm1 x Elta 6 Amp Electronic single phase speed controller.1 x PCA Diffuser - PCA-2501 x ELTA - Single Phase Transformer 10amps3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit4 x CS2 Current Switch4 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 150 inline mixed flow duct fan2 x Push Timer Switch - ZA43 x Three Phase Transformer controllers - RMT 1.5 Amp2 x Vent Axia ACM 100 inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-12TK4 x Helios TSW 3 Amp Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection3 x Helios TSW MCB Amp Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller3 x Helios TSW 10 Amp Transformer speed controller3 x Vent Axia ACM 125 inline mixed flow duct fan2 x MV-B Dual Switch for use with Helios HQW plate fans,3 x Single phase speed controller by auto-transformer - RMB 1.5 Amp4 x Isolator Switch - ISOSW3 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 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)1 x TG-K Duct temperature sensor1 x ERR 20/1 Centrifugal inline fan1 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box2 x 7 Day Programmable TIMECLOCK2 x BEAS-control module4 x WS - Reversing Switch from Helios Fans3 x MWS 1.5 – Transformer Controller With Motor Protection1 x Helios HQW-200/2 - IP555 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan4 x Transformer 5 Speed Controller - ATC1-4TK2 x Transformer 5 Speed Controller - ATC1-8TK2 x Elta 6 Amp Electronic single phase speed controller with TK2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x ERR 31/1 Centrifugal inline fan1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT2 x Vent Axia T-Series Controller3 x Helios HQW-630/4 - IP552 x Transformer Speed Control - RTRE- 12.0Amp5 x Transformer (silent) speed controller - RE 3.0 Amp2 x REE-1 Electronic Speed Controller2 x MWS 3 – Transformer Controller With Motor Protection1 x Elta ACO Panel 149-ACO18B2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x Systemair Save Connect 2.0 Internet Module3 x Helios HQW-200/4 - IP553 x DEF-140T Inlet Guard for the CBT-100N2 x TG-K3/NTC10-01 - Duct temperature sensor1 x FAST-TRACK RANGE 90mm - Click Ring (1 bag of 10)1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Speed Controller - REB34 x Skyflow SSR Horizontal Roof Cowl SSR31/35B3 x Transformer (silent) speed controller - RE 1.5 Amp1 x Easy-fix termination kit - High Rise Ventilator - EFT4 x Transformer 5 Speed Controller - ATC1-2TK2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT2 x TG-R room temperature sensor4 x Commercial Single or 3 phase Fan Reversing Switch - RS13 x Speed Controller - REB52 x Vent Axia ACM 200 inline mixed flow duct fan2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3554 x Speed Controller - REB102 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Transformer Speed Control - RTRE- 5.0Amp3 x Transformer Speed Control - RTRE- 7.0Amp1 x CBS-60 Outlet Flange for CSB/CBT-601 x Skyflow SSR Horizontal Roof Cowl SSR80B4 x Helios HQW-315/4 - IP552 x Multiflow SMB550/4-1AC1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x CBA-60 Inlet Flange for CBT-601 x Isolator Switch - EFF-ISO2 x SG-200 Fan Guard for the HQW 2001 x Elta Wall Cowl SWC56/633 x CBM 9-9 550w 4P VR (Open Motor)2 x MEV Spider Wireless boost Switch - MEV-SWH-W3 x REB-CVF 0-10v Controller2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Transformer (silent) speed controller - RE 5.0 Amp3 x Speed Controller - REB1-N3 x MTS10- extractor fan 3 step switch5 x MTP 10, 10K, Speed control1 x TUNE-R-200-3-M1 - Control Damper2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x Temperature Fan Speed Controller - ATCP4-WMS2 x Vent Axia Silent 100T (TIMER)1 x ELM 25 EX Flexible Cuff for ERM 251 x Vent Axia SC5001 - Speed controller1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x GRA-100 External Grill by S&P1 x QPTW 250C Acoustic Twin Fan with Controller1 x Elta Wall Cowl SWC35/401 x TD Mixvent 800/200 EEXEIIT31 x RDS 7 Helios Transformer Controller With Motor Protection2 x ELM 18 EX Flexible Cuff for ERM 183 x PIR Sensor - PIR21 x Elta Louvre Shutter - 400mm1 x DEF-CBM-RE-7 - Protection Guard1 x Helios HQW-250/4 - IP551 x Speed Controller - REB11 x Transformer Speed Control - RTRE- 1.5Amp1 x Elta Wall Cowl SWC45/501 x Silent 100 Window Kit - windowS3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Elta Wall Cowl SWC25/311 x ENV 100 12v transformer SELV2 x DDMP 12-12 3F 1810W M6A4 DG02 x KKS 100 silencer-section - For use with the MUB 100 size Fans.
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