323130

S5 Fuel and Water Sender

Regular price £40.89
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HOW TO TEST & ORDER A REPLACEMENT S5 FUEL AND WATER SENDER
SENDER IDENTIFICATION CHART

 

Description

Senders are available with either a 5 hole flange (S5) or a 1 ¼” BSP male thread (S3) and are made in a series of lengths from 150mm - 1600mm.

There are two standard resistances, 0-190 ohm, used mainly in European gauges and 240-30 ohm used by American gauge manufacturers. Senders and gauges must have the same resistance range.

The Wema S5 fuel and water sender is also suitable for use in oil level sender & many other liquids. (contact us for confirmation if using for unusual use) 

Robustly made from 316 stainless steel and fitted as original equipment for over 30 years by all the major British and European boat builders, our fuel and water senders still work on the simple principle of twin magnets in the float tripping a series of reed switches securely housed, and doubly insulated inside the stainless tube.

Over the years senders have been improved with advances in reed switch technology, allowing us to fit far more switches inside the senders, giving the better resolution required by modern digital displays.

We now offer high-resolution S5 fuel and water senders from 150mm to 400mm.  These senders are the same as the standard-resolution in every way except we have placed the switches at ~every 10mm instead of ~every 20mm giving you more accuracy and clarity in the shallowest of tanks.

The S5 senders have proved very reliable and this Wema technology is used by all major European truck and bus manufacturers and on many off road and military vehicles.

Longer senders and bespoke options are also available including different outputs; 0-5v, 0-10v, 4-20ma... Please get in touch to find out more. 

The Wema S5 Fuel and Water Sender can also be used as a position sensor; mounting the sender to one part and clamping the float to the other moving part. 

If sender length/resistance is out of stock then we can normally supply you with an S3 sender and FL2 flange for the same price as an S5.  Please contact us if the website shows product is out of stock and we can advise lead time or suggest an alternative solution. 

[Please note: the code 001306 refers to the S5 head] 

 

S5 Fuel and Water Sender Specifications

  • Bolt-down head

  • 316 stainless steel

  • SAE-5-Hole Pattern

  • 0-190 ohms or 240-30 ohms

  • IP67

  • Simple to install and remove

  • Very reliable

  • Lengths from 150mm - 1600mm +

 

S5 Fuel and Water Sender Wiring Instructions

Simply connect one wire to earth and the other wire to the sensor cable on the gauge. 

Customer Reviews
4.9 Based on 20 Reviews
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95% 
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Filter Reviews:
DT
07/10/2021
Dave T.
United States United States
I recommend this product
Top notch quality and stellar customer service

My original Wema fuel sender in my 2001 Monterey Montura 200LS went out after 20 years of faithful service. I reached out to Wema UK (on a Sunday!) with the part number to ask for details on a suitable replacement. Within hours (I must stress, on a SUNDAY), I had a response with a part number and quote for a replacement. The rep stated that the senders were much improved over the 20 year old version I had (mine was plastic, new ones are stainless, etc), and that the new ones could probably be expected to last even longer. I had cheaper options available on Amazon and eBay, but I decided to order from Wema UK--even though it was over twice as much and shipped from the UK. I had the new sender on Thursday! Install was easy (getting to it to replace it was a different story) and it works flawlessly. My old one had 20mm resolution, and the new HD ones have 10mm resolution for more accurate readings. I could not be more satisfied! From the stellar customer service, ultra fast INTERNATIONAL shipping, and rock solid quality, I am a Wema UK customer for life.

Wema UK Fuel and Water Sender - S5 (5 bolt) Review
TR
19/10/2021
Trevor R.
United Kingdom
I recommend this product
Fuel Sender

The sender I purchased was to replace one from a competitor which was not working properly. The new one is now working properly and looks very robust. I must also say that Stuart is a wealth of knowledge and so very helpful in finding solutions to any problems you may have. The web site is easy to navigate and with next delivery. A first class Company.

EH
22/07/2021
Elliot H.
United Kingdom United Kingdom
I recommend this product
Phone and ask for advise!

Great experience, spoke to a very helpful gentleman who gave me the best advice in ordering the correct sender for my boat. 100% would recommend. Not the cheapest product by certainly the best.

A
16/06/2021
Anonymous
United Kingdom United Kingdom
I recommend this product
Fuel Sender

Good delivery and so far works great

A
17/05/2021
Anonymous
Canada Canada
I recommend this product
work great

As advertised. Would buy again without hesitation.