Sink Fan

D35 x L55 Heat Sink W Cooling Fan System 18 Car Motors
D35 x L55 Heat Sink W Cooling Fan System 18 Car Motors $8.25
Time Remaining: 28d 10h 6m
Buy It Now for only: $8.25

Integy C23141R Brushless Motor Heatsink Heat Sink Cooling Fan Red 1 16 E Revo
Integy C23141R Brushless Motor Heatsink Heat Sink  Cooling Fan Red 1 16 E Revo $10.07
Time Remaining: 24d 7h 38m
Buy It Now for only: $10.07

D43 x L60 Heat Sink W Cooling Fan System 18 Car Motors
D43 x L60 Heat Sink W Cooling Fan System 18 Car Motors $9.99
Time Remaining: 20d 16h 43m
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D35 x L55 Heat Sink W Cooling Fan System 18 Car Motors
D35 x L55 Heat Sink W Cooling Fan System 18 Car Motors $8.25
Time Remaining: 27d 19h 54m
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NEW 540 550 Size Turnigy Brushless Motor Heat Sink with Large Cooling Fan
NEW 540 550 Size Turnigy Brushless Motor Heat Sink with Large Cooling Fan $14.95
Time Remaining: 3d 4h 29m
Buy It Now for only: $14.95

Redcat Racing Blue Aluminum Heat Sink with Fan Mount BS803 029 Shredder and 8E
Redcat Racing Blue Aluminum Heat Sink with Fan Mount BS803 029 Shredder and 8E $8.99
Time Remaining: 11d 3h 4m
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Integy C22470S Super Motor Heat Sink w Cooling Fan Silver For 540 550 Motor
Integy C22470S Super Motor Heat Sink w Cooling Fan Silver For 540 550 Motor $11.69
Time Remaining: 28d 22h 56m
Buy It Now for only: $11.69

HPI Racing Savage XS Flux 4WD FAN BLOWER HEATSINK HEAT SINK
HPI Racing Savage XS Flux 4WD FAN BLOWER HEATSINK HEAT SINK $17.12
Time Remaining: 13d 14h 39m
Buy It Now for only: $17.12

Hobbywing EZRUN 5V Cooling Fan + 44 x 60mm Motor Heat Sink AC074
Hobbywing EZRUN 5V Cooling Fan + 44 x 60mm Motor Heat Sink AC074 $10.90
Time Remaining: 7d 10h 42m
Buy It Now for only: $10.90

Hot Racing Red Multi Mount Fan Cool Heat Sink MH550TE02 Slash 2WD
Hot Racing Red Multi Mount Fan Cool Heat Sink MH550TE02 Slash 2WD $12.11
Time Remaining: 19d 30m
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540 motor heat sink with fan Blue 2 way Top Fan motor heatsink
540 motor heat sink with fan Blue 2 way Top Fan motor heatsink $13.88
Time Remaining: 23d 12h 52m
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Integy C22470RED Super Motor Heat Sink w Cooling Fan Red For 540 550 Motor
Integy C22470RED Super Motor Heat Sink w Cooling Fan Red For 540 550 Motor $11.69
Time Remaining: 28d 22h 56m
Buy It Now for only: $11.69

Integy C22470BLUE Super Motor Heat Sink w Cooling Fan Blue For 540 550 Motor
Integy C22470BLUE Super Motor Heat Sink w Cooling Fan Blue For 540 550 Motor $11.69
Time Remaining: 7d 2h 57m
Buy It Now for only: $11.69

3Racing 3RAC MHS7BLV2 Extended Motor Heat Sink W Fan Ver2 For 540 Motor
3Racing 3RAC MHS7BLV2 Extended Motor Heat Sink W Fan Ver2 For 540 Motor $6.08
Time Remaining: 21d 1h 3m
Buy It Now for only: $6.08

MICRO FAN Motor Heat Sink or Esc Cooling Fan 30x30mm HIGH RPM with plug
MICRO FAN Motor Heat Sink or Esc Cooling Fan 30x30mm HIGH RPM with plug $10.88
Time Remaining: 9d 16h 18m
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Yeah Racing YA 0180OR Cooling Fan 4 Motor Heat Sink
Yeah Racing YA 0180OR Cooling Fan 4 Motor Heat Sink $12.90
Time Remaining: 8d 13h 44m
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Light Blue Extended Heat Sink w Fan for 540 Motor V2 by 3Racing 3RAC MHS8 LB V2
Light Blue Extended Heat Sink w Fan for 540 Motor V2 by 3Racing 3RAC MHS8 LB V2 $6.59
Time Remaining: 23d 1h 25m
Buy It Now for only: $6.59

D35 x L55 Heat Sink W Cooling Fan System 18 Car Motors
D35 x L55 Heat Sink W Cooling Fan System 18 Car Motors $8.25
Time Remaining: 15h 3m
Buy It Now for only: $8.25

Purple Extended Heat Sink w Fan for 1 10 540 Motor V2 3Racing 3RAC MHS8 PU V2
Purple Extended Heat Sink w Fan for 1 10 540 Motor V2 3Racing 3RAC MHS8 PU V2 $6.59
Time Remaining: 23d 1h 27m
Buy It Now for only: $6.59

540 Gold Heat Sink Heatsink w Extended Top Fan V2 3Racing 3RAC MHS7 GO V2
540 Gold Heat Sink Heatsink w Extended Top Fan V2 3Racing 3RAC MHS7 GO V2 $6.49
Time Remaining: 21d 1h 43m
Buy It Now for only: $6.49

Yeah Racing Super Light Twin Fan Heat Sink BK For 540
Yeah Racing Super Light Twin Fan Heat Sink BK For 540 $15.90
Time Remaining: 24d 16h 28m
Buy It Now for only: $15.90

540 Blue Heat Sink Heatsink w Extended Top Fan V2 3Racing 3RAC MHS7 BU V2
540 Blue Heat Sink Heatsink w Extended Top Fan V2 3Racing 3RAC MHS7 BU V2 $6.49
Time Remaining: 22d 1h 1m
Buy It Now for only: $6.49

540 motor top mount heat sink with fan
540 motor top mount heat sink with fan $10.99
Time Remaining: 20d 10h 28m
Buy It Now for only: $10.99

Hot Racing Yokomo YR4 Black 2 way Top Mount Fan cool Motor heat sink MH550T01
Hot Racing Yokomo YR4 Black 2 way Top Mount Fan cool Motor heat sink MH550T01 $10.88
Time Remaining: 26d 16h 57m
Buy It Now for only: $10.88

Hot Racing Black Multi Mount Fan Cool Heat Sink MH550TE01 Slash 2WD
Hot Racing Black Multi Mount Fan Cool Heat Sink MH550TE01 Slash 2WD $12.11
Time Remaining: 5d 11h 46m
Buy It Now for only: $12.11

Hot Racing Purple 2 Way Top Fan Cool Motor Heat Sink MH550T07 Slash 4x4
Hot Racing Purple 2 Way Top Fan Cool Motor Heat Sink MH550T07 Slash 4x4 $12.11
Time Remaining: 5d 11h 45m
Buy It Now for only: $12.11

NEW Integy Super Motor Heat Sink Cooling Fan Blue C22470BLUE NIB
NEW Integy Super Motor Heat Sink Cooling Fan Blue C22470BLUE NIB $14.69
Time Remaining: 27d 1h 48m
Buy It Now for only: $14.69

Integy C23141S Brushless Motor Heatsink Heat Sink Cooling Fan Silver 1 16 E Revo
Integy C23141S Brushless Motor Heatsink Heat Sink Cooling Fan Silver 1 16 E Revo $10.07
Time Remaining: 24d 8h 17m
Buy It Now for only: $10.07

HobbyPro H276 540 motor heat sink with fan gun metal
HobbyPro H276 540 motor heat sink with fan gun metal $5.70
Time Remaining: 18d 15h 41m
Buy It Now for only: $5.70

Integy C23141S Brushless Motor Heatsink Heat Sink Cooling Fan SILVER
 Integy C23141S Brushless Motor Heatsink Heat Sink  Cooling Fan SILVER $12.75
Time Remaining: 28d 20h 13m
Buy It Now for only: $12.75

Integy C23141S Brushless Motor Heatsink Heat Sink Cooling Fan Silver 1 16 Slash
Integy C23141S Brushless Motor Heatsink Heat Sink Cooling Fan Silver 1 16 Slash $10.07
Time Remaining: 24d 9h 56m
Buy It Now for only: $10.07

3Racing Motor Heat Sink Ver2 540 Motor Fan Shaped TI
3Racing Motor Heat Sink Ver2 540 Motor Fan Shaped TI $5.80
Time Remaining: 9d 14h 22m
Buy It Now for only: $5.80

Yeah Racing YA 0146BU 540 Motor Heat Sink W Fan BU
Yeah Racing YA 0146BU 540 Motor Heat Sink W Fan BU $7.50
Time Remaining: 12d 10h 20m
Buy It Now for only: $7.50

36mm x 65mm 540 550 Motor Heat Sink w Large Cooling Fan
36mm x 65mm 540 550 Motor Heat Sink w Large Cooling Fan $19.99
Time Remaining: 21d 24m
Buy It Now for only: $19.99

Yeah Racing YA 0146GM 540 Motor Heat Sink W Fan GM
Yeah Racing YA 0146GM 540 Motor Heat Sink W Fan GM $7.50
Time Remaining: 13d 8h 51m
Buy It Now for only: $7.50

3racing Motor Heat Sink W Fan Ver2 For 540 Motor PU
3racing Motor Heat Sink W Fan Ver2 For 540 Motor PU $5.70
Time Remaining: 10d 13h 33m
Buy It Now for only: $5.70

Integy T6666P Motor Heatsink Heat Sink with Twin Cooling Fans Purple HPI Blitz
Integy T6666P Motor Heatsink Heat Sink with Twin Cooling Fans Purple HPI Blitz $16.16
Time Remaining: 11d 11h 22m
Buy It Now for only: $16.16

RC Car Red Aluminum Motor Heat Sink w adjustable fan 36mm Inrunner Item 18348
RC Car Red Aluminum Motor Heat Sink w adjustable fan 36mm Inrunner Item 18348 $11.06
Time Remaining: 18d 21h 39m
Buy It Now for only: $11.06

3Racing Extended Motor Heat Sink Fan Ver2 540 Motor BL
3Racing Extended Motor Heat Sink Fan Ver2 540 Motor BL $6.20
Time Remaining: 23d 20h 41m
Buy It Now for only: $6.20

3Racing Extended Motor Heat Sink Fan Ver2 540 Motor BL
3Racing Extended Motor Heat Sink Fan Ver2 540 Motor BL $6.20
Time Remaining: 21d 22h 3m
Buy It Now for only: $6.20

Hot Racing Purple Multi Mount Fan Cool Heat Sink MH550TE07 Slash 2WD
Hot Racing Purple Multi Mount Fan Cool Heat Sink MH550TE07 Slash 2WD $12.11
Time Remaining: 5d 11h 46m
Buy It Now for only: $12.11

HobbyPro H278 540 motor heat sink with twin fan GM
HobbyPro H278 540 motor heat sink with twin fan GM $8.50
Time Remaining: 24d 21h 20m
Buy It Now for only: $8.50

Yeah Racing YA 0131RD 540 Motor Heat Sink W Fan RD
Yeah Racing YA 0131RD 540 Motor Heat Sink W Fan RD $5.78
Time Remaining: 7d 16h 36m
Buy It Now for only: $5.78

Yeah Racing YA 0148GM 540 Motor Heat Sink W Fan GM
Yeah Racing YA 0148GM 540 Motor Heat Sink W Fan GM $7.88
Time Remaining: 27d 16h 15m
Buy It Now for only: $7.88

Yeah Racing YA 0147BU 540 Motor Heat Sink W Fan BU
Yeah Racing YA 0147BU 540 Motor Heat Sink W Fan BU $7.25
Time Remaining: 11d 8h 55m
Buy It Now for only: $7.25

TORNADO HEAT SINK KIT w HIGH SPEED FAN for HPI LOSI
TORNADO HEAT SINK KIT w HIGH SPEED FAN for HPI LOSI $17.99
Time Remaining: 13d 18h 31m
Buy It Now for only: $17.99

a 0418 team associated tc5 r heat sink with fan
a 0418 team associated tc5 r heat sink with fan $9.99
Time Remaining: 25d 4h 27m
Buy It Now for only: $9.99

Integy C23141R Brushless Motor Heatsink Heat Sink Cooling Fan Red 1 16 Slash
Integy C23141R Brushless Motor Heatsink Heat Sink  Cooling Fan Red 1 16 Slash $10.07
Time Remaining: 7d 4h 7m
Buy It Now for only: $10.07

Cooling Fan 5V Motor Heat Sink 36x55mm EZRUN AC225
Cooling Fan 5V  Motor Heat Sink 36x55mm EZRUN AC225 $11.90
Time Remaining: 24d 10h 28m
Buy It Now for only: $11.90

Storong Fan25 ESC Heat Sink Set B square
Storong Fan25 ESC Heat Sink Set B square $21.00
Time Remaining: 11d 14h 18m
Buy It Now for only: $21.00

EZRUN 5V Cooling Fan + 36 x 55mm Motor Heat Sink AC075
EZRUN 5V Cooling Fan + 36 x 55mm Motor Heat Sink AC075 $12.90
Time Remaining: 5d 16h 12m
Buy It Now for only: $12.90

EZRUN 5V Cooling Fan 36 x 55mm Motor Heat Sink AC225
EZRUN 5V Cooling Fan  36 x 55mm Motor Heat Sink AC225 $11.90
Time Remaining: 18d 11h 39m
Buy It Now for only: $11.90

NEW Integy Super Motor Heat Sink Cooling Fan Purple C22470PURPLE NIB
NEW Integy Super Motor Heat Sink Cooling Fan Purple C22470PURPLE NIB $14.69
Time Remaining: 27d 1h 48m
Buy It Now for only: $14.69

Himax ACC3922 20mm Ducted Fan Brushless Motor Heat Sink
Himax ACC3922 20mm Ducted Fan Brushless Motor Heat Sink $6.99
Time Remaining: 12d 22h 27m
Buy It Now for only: $6.99

EZRUN 5V Cooling Fan 44 x 60mm Motor Heat Sink AC226
EZRUN 5V Cooling Fan  44 x 60mm Motor Heat Sink AC226 $12.90
Time Remaining: 11h 39m
Buy It Now for only: $12.90

3Racing Motor Heat Sink For 540 Motor Fan Shaped Black
3Racing Motor Heat Sink For 540 Motor Fan Shaped Black $3.20
Time Remaining: 25d 19h 16m
Buy It Now for only: $3.20

Yeah Racing Super Light Twin Fan Heat Sink BU for 540
Yeah Racing Super Light Twin Fan Heat Sink BU for 540 $15.90
Time Remaining: 24d 16h 30m
Buy It Now for only: $15.90

3Racing 3RAC MHS5BUV2 Motor Heat Sink W Fan Ver2 For 540 Motor Fan Shaped
3Racing 3RAC MHS5BUV2 Motor Heat Sink W Fan Ver2 For 540 Motor Fan Shaped $5.70
Time Remaining: 21d 1h 3m
Buy It Now for only: $5.70

Integy Super Motor Heat Sink w Cooling Fan Purple For 540 550 Motor
Integy Super Motor Heat Sink w Cooling Fan Purple For 540 550 Motor $11.69
Time Remaining: 22d 23h 35m
Buy It Now for only: $11.69

3 Racing Motor Heat Sink W Fan Ver 2 540 Motor Blue
3 Racing Motor Heat Sink W Fan Ver 2 540 Motor Blue $5.70
Time Remaining: 11d 19h 1m
Buy It Now for only: $5.70

3Racing Ext Motor Heat Sink w Fan V2 for 540 Motor 3RAC MHS7 LB V2
3Racing Ext Motor Heat Sink w Fan V2 for 540 Motor 3RAC MHS7 LB V2 $6.10
Time Remaining: 5d 21h 51m
Buy It Now for only: $6.10

RC Car 540 Motor Alloy Vent Heat Sink OF Fan heatsink G
RC Car 540 Motor Alloy Vent Heat Sink OF Fan heatsink G $12.47
Time Remaining: 14d 21h 36m
Buy It Now for only: $12.47

3Racing Extended Motor Heat Sink Fan Ver2 540 Motor LB
3Racing Extended Motor Heat Sink Fan Ver2 540 Motor LB $6.20
Time Remaining: 16d 15h 22m
Buy It Now for only: $6.20

OFNA 10SC 1 10 Fan for Brushless Motor Heat Sink 11319 RC WillPower
OFNA 10SC 1 10 Fan for Brushless Motor Heat Sink 11319 RC WillPower $12.45
Time Remaining: 8d 3h 39m
Buy It Now for only: $12.45

EZRUN 5V Cooling Fan 44 x 60mm Motor Heat Sink
EZRUN 5V Cooling Fan  44 x 60mm Motor Heat Sink $13.99
Time Remaining: 17d 22h 26m
Buy It Now for only: $13.99

Yeah Racing High Air Flow Twin Fan Heat Sink for 540 BU YA0257
Yeah Racing High Air Flow Twin Fan Heat Sink for 540 BU YA0257 $28.00
Time Remaining: 28d 16h 12m
Buy It Now for only: $28.00

3Racing Extended Motor Heat Sink Fan Ver2 540 Motor BU
3Racing Extended Motor Heat Sink Fan Ver2 540 Motor BU $6.20
Time Remaining: 25d 19h 8m
Buy It Now for only: $6.20

Storong Fan25 ESC Heat Sink Set LB square
Storong Fan25 ESC Heat Sink Set LB square $21.00
Time Remaining: 11d 14h 18m
Buy It Now for only: $21.00

New Red Aluminum Motor Heat Sink w adjustable fanTop36mm Inrunner Rc Airplane
New Red Aluminum Motor Heat Sink w adjustable fanTop36mm Inrunner Rc Airplane $12.99
Time Remaining: 28d 5h 35m
Buy It Now for only: $12.99

X PRO 540 Heat Sink With Double Fan TA05 DB01
X PRO 540 Heat Sink With Double Fan TA05 DB01 $13.88
Time Remaining: 29d 9h 54m
Buy It Now for only: $13.88

AH014 550 540 Motor Cooling Heatsink Heat Sink Vented Aluminium Blue Single Fan
AH014 550 540 Motor Cooling Heatsink Heat Sink Vented Aluminium Blue Single Fan $12.53
Time Remaining: 24d 16h 43m
Buy It Now for only: $12.53

Yeah Racing YA 0147GM 540 Motor Heat Sink W Fan GM
Yeah Racing YA 0147GM 540 Motor Heat Sink W Fan GM $7.25
Time Remaining: 11d 8h 55m
Buy It Now for only: $7.25

Cooling Fan 5V Motor Heat Sink 44x60mm EZRUN AC226
Cooling Fan 5V  Motor Heat Sink 44x60mm EZRUN AC226 $12.90
Time Remaining: 21d 14h 24m
Buy It Now for only: $12.90

3Racing 3RAC MHS5TIV2 Motor Heat Sink W Fan Ver2 For 540 Motor Fan Shaped
3Racing 3RAC MHS5TIV2 Motor Heat Sink W Fan Ver2 For 540 Motor Fan Shaped $5.70
Time Remaining: 21d 1h 3m
Buy It Now for only: $5.70

540 Electric Motor Heatsink Heat sink Fan Silver EP RC
540 Electric Motor Heatsink Heat sink Fan Silver EP RC $12.53
Time Remaining: 20d 18h 29m
Buy It Now for only: $12.53

3Racing 3RAC MHS5BLV2 Motor Heat Sink W Fan Ver2 For 540 Motor Fan Shaped
3Racing 3RAC MHS5BLV2 Motor Heat Sink W Fan Ver2 For 540 Motor Fan Shaped $5.70
Time Remaining: 21d 1h 3m
Buy It Now for only: $5.70

3Racing Motor Heat Sink Ver2 540 Motor Fan Shaped RE
3Racing Motor Heat Sink Ver2 540 Motor Fan Shaped RE $5.80
Time Remaining: 8d 14h 15m
Buy It Now for only: $5.80

3Racing Fan Shaped Aluminum Motor Heat Sink for 540 Type Motor MHS 003 PU
3Racing Fan Shaped Aluminum Motor Heat Sink for 540 Type Motor MHS 003 PU $3.20
Time Remaining: 11d 21h 25m
Buy It Now for only: $3.20

3Racing Extended Motor Heat Sink W Fan Ver2 For 540 Motor L Blue MHS8 LB V2
3Racing Extended Motor Heat Sink W Fan Ver2 For 540 Motor L Blue MHS8 LB V2 $6.10
Time Remaining: 10d 22h
Buy It Now for only: $6.10

3Racing Extended Motor Heat Sink Fan Ver2 540 Motor BU
3Racing Extended Motor Heat Sink Fan Ver2 540 Motor BU $6.20
Time Remaining: 18d 15h 28m
Buy It Now for only: $6.20

3Racing Motor Heat Sink For 540 Motor Fan Shaped Blue
3Racing Motor Heat Sink For 540 Motor Fan Shaped Blue $3.20
Time Remaining: 4d 14h 58m
Buy It Now for only: $3.20

3 Racing Extended Motor Heat Sink Fan Ver2 540 Motor
3 Racing Extended Motor Heat Sink Fan Ver2 540 Motor $6.20
Time Remaining: 2d 17h 47m
Buy It Now for only: $6.20

3Racing 3RAC MHS7PUV2 Extended Motor Heat Sink W Fan Ver2 For 540 Motor
3Racing 3RAC MHS7PUV2 Extended Motor Heat Sink W Fan Ver2 For 540 Motor $6.08
Time Remaining: 21d 1h 4m
Buy It Now for only: $6.08

3 racing Extended Motor Heat Sink W Fan Ver2 Red
3 racing Extended Motor Heat Sink W Fan Ver2 Red $6.20
Time Remaining: 11d 19h 50m
Buy It Now for only: $6.20

3racing Motor Heat Sink W Fan Ver2 For 540 Motor Gold
3racing Motor Heat Sink W Fan Ver2 For 540 Motor Gold $5.70
Time Remaining: 18d 13h 56m
Buy It Now for only: $5.70

3Racing Fan Shaped Motor Heat Sink for 540 Motor Silver
3Racing Fan Shaped Motor Heat Sink for 540 Motor Silver $3.20
Time Remaining: 4d 18h 17m
Buy It Now for only: $3.20

3 racing Extended Motor Heat Sink W Fan Ver2 Titanium
3 racing Extended Motor Heat Sink W Fan Ver2 Titanium $6.20
Time Remaining: 20d 20h 38m
Buy It Now for only: $6.20

3 Racing Extended Motor Heat Sink Fan Ver2 540 Motor
3 Racing Extended Motor Heat Sink Fan Ver2 540 Motor $6.20
Time Remaining: 8d 16h 23m
Buy It Now for only: $6.20

3Racing 3RAC MHS8GOV2 Extended Motor Heat Sink W Fan Ver2 For 540 Motor
3Racing 3RAC MHS8GOV2 Extended Motor Heat Sink W Fan Ver2 For 540 Motor $6.08
Time Remaining: 21d 1h 4m
Buy It Now for only: $6.08

3Racing Extended Motor Heat Sink Fan Ver2 540 Motor RE
3Racing Extended Motor Heat Sink Fan Ver2 540 Motor RE $6.20
Time Remaining: 16d 20h 44m
Buy It Now for only: $6.20

Red Alum Motor Heat Sink w adj fanside36mm Inrunner
Red Alum Motor Heat Sink w adj fanside36mm Inrunner $13.99
Time Remaining: 2d 5h 37m
Buy It Now for only: $13.99

3Racing Extended Motor Heat Sink Fan Ver2 540 Motor TI
3Racing Extended Motor Heat Sink Fan Ver2 540 Motor TI $6.20
Time Remaining: 19d 1h 8m
Buy It Now for only: $6.20

Sink Fan

The Two Most Important Considerations When Installing a Bathroom Extractor Fan

1. Where?

The single most important consideration, because it is the one which could have fatal circumstances, is the fan's location - where should you situate the fan? The bathroom, unlike any other room in the house is characterised by the primary use of water. As we all know, electricity and water do not make happy bed fellows. For this reason one must take extra special care about the type of fan they are to install.

In most countries strict laws govern the installation of electrical items in the bathroom. In the UK, for example, the bathroom is divided into zones relating to how close one is to the bath, shower and sink. The zones nearest to one of these water dispensing items require the installation of a low voltage or IP rated fan.

SELV (safety extra low voltage) fans, which run at 12 volts, protect the user because the current is radically reduced from full mains voltage by the use of a transformer which is housed outside the bathroom - in the wall or ceiling for example. Should anything go wrong with the wiring the user will feel a sharp prod...Unpleasant enough, but definitely preferrable to receiving 240 volts.

IP rated fans ('Ingress Protected') prevent water getting into the electrical motor of the fan. This means that they do not have to be SELV and consequently do not require a transformer. They are therefore far easier to install and the homeowner does not have to worry about where to situate the fan. However, currently, there is only one fan on the market, the Airflow QT100, which meets the strict requirement of being IP*5 rated.

2. Duct Run

The most often overlooked aspect of fan installation and the one which, by a huge margin, causes most problems after installation is the length of duct run. Without doubt this is the biggest cause of bathroom fans being replaced incurring the cost of an extra visit from an electrician and re-decorating or re-tiling. Why?!

Almost all bathroom fans use axial technology. Axial technology is great because it is cheap and in most installations where the fan is to be ducted less than one foot straight through an external cavity wall to the outside world will operate perfectly. Axial fans however have a problem with pressure and air pressure builds up significantly in the length of duct. In fact in as little as four metres most axial fans will extract at less than half of their stated extraction rate..! In other words, unless your duct run is less than, at most three metres an axial fan is useless.

For these installations you will require a centrifugal fan. These use an entirely different technology and some models, such as the Vent Axia Solo can operate at 75% capacity on duct runs up to 50m! Centrifugal fans are available in two types: either as a wall mounted version, which doesn't look any different from a standard axial fan, or as an inline fan.

An inline fan has two essential differences and cannot be mistaken because it has both an extract or intake funnel which, in layman's terms sucks the air out of the bathroom and an exhaust funnel which sends the stale air to the outside grille and expels it. Firstly, as its name suggests it sits in the middle of the length of duct,.. or 'in line'. This means consequently that secondly, it is not situated at the point of extraction. In other words the fan is housed in the ceiling and not in the bathroom. The only thing you will see in the bathroom is a ceiling grille. In using an inline centrifugal fan you therefore benefit not only from a more powerful fan but one which in no way can come into contact with water.

Read more about bathroom fans at Extractor Fan World. The author invites you to publish this article but kindly asks that all links are retained.

 

About the Author

The author is an expert on extractor fans and writes for Gil-lec Electrical Wholesalers.

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