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This powerful in-duct mounted mixed flow fan has been designed to produce higher working pressures for applications that require high air flows, with low relative noise.
Please note: As of January 2017 the manufacturer has changed the specification of this unit. The unit now has three-speed settings. i-sells.co.uk always supplies brand new stock ordered directly from the manufacturer so you will always receive the latest model
Mixflo fans can be mounted in a variety of applications as shown and are suitable for use with either rigid or flexible ducting.
The Manrose MF100S specially designed fan assembly allows easy installation and maintenance. The inline duct is easily installed or removed for maintenance from rigid or flexible ducting.
Specification - High
Air Extraction : 245m3/hr
Air Extraction L/s : 68 L/s
Noise : 24dB(A)
Watts: 25W
Specification - Low
Air Extraction : 180m3/hr
Air Extraction L/s : 50 L/s
Noise : 20dB(A)
Watts: 20W
Optional Control options:
Alternative fans:
Timer | No |
PIR | Yes |
Humidistat | No |
Product Category | In-Line Fans |
Round System (mm) | 100 |
Product Type | Mixed Flow In-Line Fan |
Product Group | Ventilation Fan |
Length (mm) | 300 |
Width (mm) | 195 |
Height (mm) | 243 |
Diameter (mm) | 100 |
Spigot size (mm) | 98 |
IP Rating | IPX4 |
Power Min (Watts) | 20 |
Power Max (Watts) | 25 |
Colour | Black |
Weight (Kg) | 1.975 |
Packaged Weight (Kg) | 1.975 |
Packaged Length (mm) | 300 |
Packaged Width (mm) | 195 |
Packaged Height (mm) | 243 |
Temp Max (°C) | 40 |
Temp Min (°C) | 40 |
Barcode | 5020953554332 |
Barcode - Type | GTIN |
Manufacturer Product Code | MF100S |
Vent Axia (similar) | ACM100 |
Manrose (similar) | MF100S |
Airflow Performance (l/s) - Low | 50 |
Airflow Performance (l/s) - Med | 60 |
Airflow Performance (l/s) - High | 68 |
Airflow Performance (m³/h) - Low | 180 |
Airflow Performance (m³/h) - Med | 216 |
Airflow Performance (m³/h) - High | 245 |
Quick Search: | QS9653 |
Your question will be sent to a member of our team. We'll email you the answer and post it on this page. If your question is about an order you already placed, please use our Contact Form to reach the customer service team.
We have a wood burning stove with a metal pipe flue inside a concrete chimney with a clean air gap between the flue and the chimney. This space will heat up. There is a ventilation gap at the bottom and a hot air duct near the top. We need a fan at the ventilation gap to push cool air into the chimney to heat up and duct into other rooms. We are investigating this Manrose MF100S as a possibility for this purpose. Please advise whether it is appropriate or if not, whether you have other products that might be more suitable. Many thanks
Hello Dave
Thank you for your question. Would you be able to advise what the temp rating will be as the MF100s only has a operating temp of 40degree c. If this is any higher I will have to source one for you. You can contact me on 0208 463 9683.
I would like to replace a MIXflo MF-100S fan and i was wondering if this unit is compatible as it looks slightly different. I would prefer not to have to replace the wall fittings.
Hello Paul,
This unit is a Manrose MF100S Mixed Flow Fan. I am not aware of any recent design changes to the Manrose MF100S that would make this unit different from one previously purchased. Can you confirm what it is that looks different between this unit and the one that you currently have in position?
With kind regards,
Michael
Hi, can this fan be installed in a ceiling void which is just deep enough to fit it. Thanks Alex
Hello Alex,
The technical datasheet for this product which shows the full dimensions of the product can be found here and the installation instructions can be found here.
I would recommend that you consider the space requirements not of just the unit but also the working space that you will require to actually fit the unit and the ducting.
Please do not hesitate to contact me if you have any further queries.
Michael Gallagher
michael.gallagher@i-sells.co.uk
How do I prevent condensation collecting in the bottom of the fan housing which makes the fan blade sound as if it has come loose from the shaft, the unit is located in the loft space, has a shuttered external grill mounted 16 inches lower than the fan and the bathroom extract grill is 16 inches lower on the suction side and shows no signs of dripping condensate. the unit is a Manrose MF100S as the product illustrated
Hello
Thank you for your question. We do a condensation trap product code QS290. This is fitted in a horizontal position.
Hi, I'm looking for extractor hor my bathroom.Bathroom size is W-2.6m,L-2.9,H-2.7 the bathroom don't have a windows.I have installed a 125mm duct pipe wich is 1 meter long to outside wall.I'm looking for silent and with the timer extractor.Can you recommend wich one to buy.Thank you
Hello Mindaugas
Thank you for your questions. There are two fans that will do you application.
Product codes. QS38794 & QS17114.
What is the maximum length of ducting this fan can handle?
Hello John
Thank you for your question. This fan can do an 8meter straight run or 6meters with two bends.
Can i use this product as a combustion air vent installed in my actual wood burning open fireplace?
Hello Brett
Thank you for your question. Please see below Manrose's telephone number to give their technical department a call as they will be able to advise if you can use this fan for your application as the Maximum Operating Temperature is 40degree c.
01753 691399
This extractor model can be used with en-suite timer delay switch operation.
Hello Graham
Thank you for your question. This fan can be used with a delay switch as long as it has a 240v supply and does not exceed 200watts. Get your electrician to double check
Kind Regards
Anita
My internal bathroom measures 2.0m x 1.7m x 2.4m. Would this fan be suitable for a small bathroom like this?
Hello Luke
Thank you for your question.Please could you advise how long your duct run would be as this fan does 8mtrs straight and 6mtrs with two bends incurred.
Kind Regards
Anita
Can I mount the fan at any angle between flat and vertical. Just to stop condensate collecting in the depression around the fan blades. A slight tilt 45 degrees would allow it to run out and down ducting. But I don't know how this tilt would effect the bearings and motor....
Hi Robert
Hi, Is the MF100s designed to be used as a continuos 24 hour run fan? Thanks
Hello Serge
what is the difference between MF100T &MF100S?
Hi I've got a dryer where the run I believe is approx 2m and comes out of the roof with one bend. However, the dryer is not working at its optimal as the airflow to get the hot air up and out is poor. Would this duct fan help with ensuring the air quickly dissipates into the air outside?
is this fan ok to exctract steam from cooker verticaly
Hello Kenneth
Thank you for your question. Yes this fan can be mounted vertically. If I can help any further please do not hesitate to contact me on 0208 463 9683
Kind Regards
Anita
Could you please provide me with the fan flow curve for this product?
Hello Lee
Thank you for your question. The flow rates etc can be found on the PDF on our website for this product. If you have any problems please do not hesitate to contact me
Kind Regards
Anita
The bathroom measures W 1.6m, L 3m, H 2.55m. We have a ceiling fan above the power shower. It doesn't at all cope with the steam produced even though it replaced a less powerful fan. The walls are 460 deep stone, should we core drill through rather than through a roof tile. What product would solve the problem?
Good afternoon Lynne. Thanks for the question. Do you know what type of ducting you are using. If it's a PVC Flexi duct, then it may not be performing it's duties fully. Flexi ducting would need to be pulled tort to get maximum airflow, so if the duct is drooping, that will cause problems.
Hi. I bought this item in November 2017 under order ref 320892. Sadly the item has stopped working. Could you please advise how I make a warranty claim as I believe the item to still be under warranty? Many thanks
Hello Lee
which fan would suit a8m duct run with 3 90 degree bends for kitchen canopy? thanks
Hello Jim
hi Anita. the 8m run is domestic. thanks
Hello Jim
Hi, I purchased this item on 4th Sept' 2018 but it has developed a rattle (12 January 2020). I have investigated to find that the fan blade has a crack on it and this seems to be the problem. Can you advise if this is covered under 3 year warranty? I would be happy with a replacement blade which i could fit myself but i can't seem to see these available. Many thanks in advance.
Hi Graham, Yes it is covered under warranty, and I am fairly sure they can supply just the blade. If you can find the serial number off of the unit, and give me a call in the morning, i will get onto Manrose for you.
Hi there. Before buying this fan, could you tell me if and how I can select a single speed (i.e. the fastest) to leave on all the time whilst it is switched on in my bathroom. I do not want a timer or 3 speeds just a one speed continuous fast speed fan. The fan will be mounted in the attic space above the bathroom with a short 1 metre flexi on the inlet side and a long 6 metre sloping solid pipe on the exit side to atmosphere. Thanks for your help.
Hello George
With the Manrose 1361 controller, doed the MF 100 S automatically change speed dependant on the humidity present, or does it have to be pre set and altered if necessary. Thank you, regards Reg.
Good morning Reg. Yes the speed will need to be set using the block connector on the fan itself.
please cayou tell me extraction rate for the ManroseMF100s 100mmext fan
Hello Peter
Can this fan be left running 24/7 365?
Good afternoon Mitch and good question.
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