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    Tank Alarms & Overfill Valves

    At Northern Tank Store we supply a full range of safety and monitoring solutions for storage tanks including tank alarms, sensors, probes and overfill valves. Designed to enhance the safety and efficiency of stored fuels including heating oil, HVO, diesel and AdBlue, these products are essential for a variety of domestic and commercial applications.

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    OLE SmartGuard Remote Tank Level Monitor
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    OLE SmartGuard Remote Tank Level Monitor

    Availability - Please ask
    Price £318.00 £381.60 inc VAT

    The OLE SmartGuard remote tank level monitor is designed for use on static and mobile fuel tanks to allow tracking and fuel level monitoring. The SmartGuard is fitted with a sim card which is connected to an online portal where the tank contents can be viewed. This provides details on the location of the tank, as well as a notifications or any sudden fuel loss and a low level alert.

    Please note there is an ongoing yearly charge for the use of the sim card/web portal. The first year is included in the price.

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    OLE T5020 Electronic Fuel Tank Gauge
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    OLE T5020 Electronic Fuel Tank Gauge

    Availability - Please ask
    Price £950.00 £1,140.00 inc VAT
    Options

    The O.L.E T5020 is a high accuracy electronic gauge for use with fuel tanks that are up to 10 metres high. Designed for use outdoors, the T5020 tank gauge features an IP65 rated enclosed, and an easy to read backlit display which indicates the contents of the fuel tank as a percentage, and in litres.

    The T5020 provides a continuous reading of the contents inside the tank, and comes equipped with an alarm to also act as a leak/overfill alarm.

    Thanks to the design, this electronic tank gauge can be used to give accurate readings of any shaped tank.

    CT5020 tank gauges come as standard with 4-20mA outputs and Modbus RTU/RS485, so can be connected to BMS (Building Management Systems).

    O.L.E T5020 Gauge Specifications -

    Suitable for any shape tank

    +/- 0.25% Accuracy

    Suitable for use with Diesel, B100 Biodiesel, AdBlue & Antifreeze

    Backlit electronic display

    Gives continuous readout in litres (screen also shows a % bar)

    Includes 4-20mA outputs

    Modbus RTU/RS4485 Communications

    Can connect to BMS System

    Weatherproof to IP65

    Power supply can be 230v, 110v or 24v DC

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    OLE Water Bottom Sensor for OLE Alarm Kits
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    OLE Water Bottom Sensor for OLE Alarm Kits

    Availability - Please ask
    Price £84.00 £100.80 inc VAT
    Code TGE.WS

    6 Metre long probe for use with OLE tank gauge alarm kits. Suitable for Diesel, AdBlue & B100. This probe detects water levels above 15mm in fuel storage tanks.

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    OLE Bund & High Level Probe for OLE Alarm Kits
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    OLE Bund & High Level Probe for OLE Alarm Kits

    Availability - Please ask
    Price £52.00 £62.40 inc VAT
    Code TGE.BP

    6 Metre long probe for use with OLE tank gauge alarm kits. Suitable for Diesel, AdBlue & B100. This probe can function as high level, or bund.

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    OLE C2020 Electronic Fuel Tank Gauge
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    OLE C2020 Electronic Fuel Tank Gauge

    Availability - Please ask
    Price £355.00 £426.00 inc VAT
    Options

    The O.L.E C2020 is a high accuracy electronic gauge for use with fuel tanks that are up to 3m or 5m high. Designed for use outdoors, the C2020 tank gauge features an IP65 rated enclosed, and an easy to read backlit display which indicates the contents of the fuel tank as a percentage, and in litres.

    The C2020 provides a continuous reading of the contents inside the tank, and can be equipped with an alarm to also act as a leak/overfill alarm.

    Thanks to the design, this electronic tank gauge can be used to give accurate readings of any shaped tank.

    C2020 tank gauges come as standard with 4-20mA outputs, and so can be connected to BMS (Building Management Systems).

    O.L.E C2020 Gauge Specifications -

    Suitable for any shape tank

    +/- 1% Accuracy

    Suitable for use with Diesel, B100 Biodiesel, AdBlue & Antifreeze

    Backlit electronic display

    Gives continuous readout in litres (screen also shows a % bar)

    Includes 4-20mA outputs

    Can connect to BMS System

    Weatherproof to IP65

    Power supply can be 230v, 110v or 24v DC

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    2" Filstop Overfill Prevention Valve
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    2" Filstop Overfill Prevention Valve

    Availability In stock
    Price £75.00 £90.00 inc VAT
    Tank Type

    The Filstop 2" Overfill Prevention Valve is designed to act as the fill point for both metal and plastic tanks. The valve physically closes the inlet to the tank when the fuel level inside reaches it's maximum during a fuel delivery. This prevents damage to the tank, and environment as well as the costs associated with cleaning spilt fuel.

    The steel tank version screws straight into the 2" BSP Inlet, whereas the plastic version requires a hole to be cut into the top of the tank for fixing via locknut.

    Maximum Flow Rate – 580lpm

    Minimum Flow Rate – 50lpm

    Leak Rate when closed – 2.5lpm

    Max Working Pressure – 7 Bar (Tested to 8 bar)

    Max Spike Pressure – 12 Bar

    Min Working Pressure – 0.15 bar

    Tank Fitting – 2″ BSP Parallel Male Thread

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    2" Cleanfill AdBlue Overfill Prevention Valve
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    2" Cleanfill AdBlue Overfill Prevention Valve

    Availability - Please ask
    Price £590.00 £708.00 inc VAT

    The Cleanfill 2" Overfill Prevention Valve from Lafon can be fitted to a tank as a piece of safety and environmental protection equipment. This overfill protection device can be used on fuel and diesel storage tanks that are filled by gravity flow or a pressure pump system. When the tank is full, the valve will close preventing any further fluid from being dispensed into the tank. There is also a version available to be used on AdBlue™ storage tanks, a fluid which is known as DEF in America and other countries.

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    2" Cleanfill Overfill Prevention Valve
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    2" Cleanfill Overfill Prevention Valve

    Availability - Please ask
    Price £240.00 £288.00 inc VAT

    The Cleanfill 2" Overfill Prevention Valve from Lafon can be fitted to a tank as a piece of safety and environmental protection equipment. This overfill protection device can be used on fuel and diesel storage tanks that are filled by gravity flow or a pressure pump system. When the tank is full, the valve will close preventing any further fluid from being dispensed into the tank. There is also a version available to be used on AdBlue™ storage tanks, a fluid which is known as DEF in America and other countries.

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    GSM Text Alert Tank Monitor
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    GSM Text Alert Tank Monitor

    Availability - Please ask
    Price £590.00 £708.00 inc VAT
    Options

    The GSM Text Alerter is a remote fuel tank level monitoring device suitable for fuel and oil tanks. This simple to install unit allows the user to set up four trigger inputs, which upon activation sends a customised text message to up to eight mobile phones. This oil tank monitor is designed to alert the user to a low fuel condition, or alert of a high level should they require to know when the tank needs emptying. By setting the probes at half full and low level, the Text Alerter can also be used to alert of  a sudden drop in the fuel level when receiving two texts in short succession, which may indicate theft or tank containment failure. 

    There is also a version of this tank level monitoring device available without the probes. This is designed to be connected via its simple, clean contact inputs, to another device such as the output relays on a fuel tank alarm or the relays on the Piusi Ocio Gauge. 

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    Oil Drum Alarm Probe
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    Oil Drum Alarm Probe

    Availability - Please ask
    Price £63.00 £75.60 inc VAT

    The Oil Drum Level Probe is designed for use with any of the single zone CTS tank level alarms to indicate that the oil level within a drum has reached the specified high level. The primary application of this level switch is to prevent an overflow situation when filling a drum in a waste oil storage system.

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    Water & Chemical Alarm Probe
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    Water & Chemical Alarm Probe

    Availability - Please ask
    Price £48.00 £57.60 inc VAT

    This single tank level alarm probe is designed for use with the CTS tank alarms, specifically to alert of either a high or low fluid level in water and chemical tanks. Constructed of polypropylene with a polyethylene cap, this tank level switch is suitable for use with many chemicals although we recommend that material compatibility should be checked.

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    High Viscosity Alarm Probe
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    High Viscosity Alarm Probe

    Availability - Please ask
    Price £90.00 £108.00 inc VAT

    This single tank level alarm probe is designed for use with the CTS tank alarms to alert of a high or low level on tanks containing fluids with a high viscosity or containing debris. The primary use of this level switch is for use on waste oil tank alarms for containing oils that need recycling or disposing of in garage and workshop applications, as due to being encapsulated reliable cut off is ensured even with the presence of particles. The supplied weight can be attached to the cable at any desired length to adjust the switching height in high and bund applications.

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    Tank Alarms & Overfill Valves

    Essential Tools For Preventing Spills & Monitoring Levels

    Tank Alarms and Overfill Valves are crucial for the safe and effective management of storage tanks. These devices help prevent overflows, monitor fuel levels, and ensure compliance with environmental regulations. They are integral in maintaining operational safety, minimising spill risks, and avoiding costly fines and cleanup expenses.

    Diverse Options To Suit All Tank Monitoring Needs

    Providing accurate readings of tank levels, tank gauges help you to manage inventory and prevent overfilling. Meanwhile, sensors offer real-time monitoring and can trigger alarms when critical levels are reached. You can also find tank probes that precise measurement of tank contents, ensuring that you have up-to-date information on fuel levels and conditions.

    Designed to alert operators when tank levels approach maximum capacity, tank alarms are essential for preventing spills and ensuring safe filling practices. We also stock overfill prevention solutions including valves that automatically shut off the flow into the tank once it reaches a predetermined level, providing an essential safeguard against overfilling.

    Each product is tailored to work with a variety of fuels, ensuring compatibility and reliability regardless of your specific storage requirements.

    Tank Alarms & Overfill Protection From Northern Tank Store

    At Northern Tank Store, we understand the critical nature of proper fuel tank management. Our tank alarms and overfill valves are selected for their quality, reliability, and ease of use.

    We offer a diverse range of products to suit various tank types and capacities, designed to work effectively with different types of fuels and versatile solutions for all your storage needs.

    Whether you need individual components or require a full fuel storage and management system, we can supply everything from diesel tanks and bunded oil tanks, through to all the tank accessories you may require. With decades of experience in supplying and manufacturing fuel storage solutions, get in touch with our team who will be happy to assist you in finding the best product for your requirements.


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