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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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    Double Alarm Probe
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    Double Alarm Probe

    Availability - Please ask
    Price £92.00 £110.40 inc VAT
    Probe Length

    The Double Fuel Tank Alarm Probe is required when a CTS mains or battery fuel tank alarm is purchased to alert the user of two fuel levels; usually high and low. If a bund alert is also a requirement of you fuel storage tank level alarm, then you would also need to purchase a single probe.

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    Single Alarm Probe
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    Single Alarm Probe

    Availability - Please ask
    Price £49.00 £58.80 inc VAT
    Probe Length

    The Single Fuel Tank Alarm Probe is designed to be purchased alongside the mains or battery operated fuel tank alarms, when either a high level, low level or bund alert is required. If both high and low level alerts are requirements of your fuel storage tank level alarm, then a double probe should be purchased. If you require all three alerts, then you would need to purchase both a double and a single fuel tank level probe.

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    CTS ATEX Tank Alarm
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    CTS ATEX Tank Alarm

    Availability - Please ask
    Price £705.00 £846.00 inc VAT
    Options

    The ATEX Approved Fuel Tank Alarm system is designed for alerting the user of a high fluid level or that there is fluid within the bund, which may indicate a leak or rain water ingress. ATEX certified to Zone 1, this tank level alarm is suitable for tanks containing flammable liquids, provided that the probe used is suitable.

    This ATEX tank alarm is battery powered for use on portable installations or sites where mains power is inaccessible. The bund alarm benefits from a flashing red LED & 95db alarm which sounds to alert the user to a problem continuously for 120 seconds followed by a periodic beep for 60 minutes. This fuel tank level alarm has test battery, test alarm and alarm cancel functions for ease of use.

    We offer a version that comes as standard with fuel tank probe for diesel, kerosene and JET A1 tanks, and a version without probe for other fluids such as petrol using a third party ATEX probe with solid stem.

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    CTS AdBlue Tank Bund Alarm
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    CTS AdBlue Tank Bund Alarm

    Availability - Please ask
    Price £80.00 £96.00 inc VAT

    The CTS AdBlue™ Tank Bund Alarm is an economy, entry level, battery powered AdBlue™ tank alarm system for alerting the user to fluid being detected between the inner tank and the outer bund. If only a bund alert is needed for your tank, this bund alarm is a simple, cost-effective solution and doesn't involve the other warnings associated with a fuel tank level alarm. A red LED will flash and a 90db alarm will sound to alert the user to fluid being detected in the bund - which can be caused by a tank ruputure/leak or rainwater collecting in the bund - meaning your bund will need cleaning and/or emptying.

    This battery powered AdBlue™ bund alarm allows 72 hours of full alarm mode, making it ideal for unmanned sites and those with site closure on weekends. Further features include a weatherproof enclosure and test and alarm mute buttons to silence the sounder.

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    CTS AdBlue Tank Overfill Alarm
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    CTS AdBlue Tank Overfill Alarm

    Availability - Please ask
    Price £121.00 £145.20 inc VAT

    The CTS AdBlue™ tank high level alarm is a battery powered, economical, entry level tank alarm solution for use on an AdBlue™ tank. This tank alarm is ideal for use on portable installations or when mains power is unavailable, and is used to alert the user that the tank has reached its set high level to avoid an overfill situation.

    This AdBlue™ tank level alarm has simple operation meaning batteries will last 72 hours or more when in full alarm mode - ideal for unmanned sites and sites that are closed over the weekend. With test and alarm mute functions, a weather proof enclosure, 5m probe for AdBlue™ and fittings for plastic or steel tanks, this is the ideal solution for an AdBlue™ overfill tank alarm.

    This AdBlue™ tank alarm comes with three cut to size stickers for you to select and stick next to the LED, for making it clear to the user what the alarm siren is indicating. There are two labelled high and low, and one that is blank in case you wish to name it something else with permanent marker.

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    CTS Economy Tank Bund Alarm
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    CTS Economy Tank Bund Alarm

    Availability - Please ask
    Price £65.00 £78.00 inc VAT

    The CTS Economy Tank Bund Alarm is an entry level, battery powered bunded fuel tank alarm system designed to alert of the presence of fluid between the inner tank and its outer bund. Essentially, its purpose is to detect and warn that either the inner tank has ruptured and is leaking, or that there is excess rain water within the tank's bund. This is a simple and cost effective solution if only a bund alert is required, and the customer is not concerned with being warned of a tank level scenario. Upon activation, a red LED will flash and a 90db alarm will sound to warn the user that the tank's bund needs to be cleared and checked whether there is a leak.

    This fuel tank alarm, which comes in a weatherproof enclosure, features a test button that will activate the sounder to check the battery and a mute button to silence the sounder. Thanks to its simple operation, the battery will last in excess of 72 hours in full alarm mode, and approximately 2 years when in standby, making it ideal for sites that aren't always manned.

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    CTS Economy Tank Level Alarm
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    CTS Economy Tank Level Alarm

    Availability - Please ask
    Price £50.00 £60.00 inc VAT
    Options

    The CTS Economy Fuel Tank Level Alarm system is an entry level, battery powered solution for when only one alert is required. It is designed to indicate that the tank level has reached either a high or low state, with an integrated flashing red LED and a 90db sounder to warn the user that action will be required in due course. This simple and cost effective fuel tank alarm benefit from test and alarm mute functions, as well a battery life of over 72 hours when in full alarm mode, making it a solution for sites that are no always manned.

    This fuel tank level alarm comes with three cut to size stickers for you to select and stick next to the LED, for making it clear to the user what the alarm siren is indicating. There are two labelled high and low, and one that is blank in case you wish to name it something else with permanent marker.

    There is a version of this fuel tank alarm with probe for diesel and oil, and a version without a probe for use with a variety of fluids. A range of different tank level probes are available for fuel oil, waste oil, water and chemicals. 

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    CTS Single Channel Tank Alarm (230v)
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    CTS Single Channel Tank Alarm (230v)

    Availability - Please ask
    Price £96.00 £115.20 inc VAT
    Options

    The CTS single channel fuel tank alarm system provides the user with the choice of setting the alarm to alert of either a high level, low level or bund leak depending upon their requirements. This level and bund alarm is a simple and cost effective solution when the user only requires to be alerted of one scenario, therefore making the multi-zone tank level alarm over-specified. 

    Available in either mains or battery power, the single channel fuel tank alarm has a clear, descriptive seven segment LED display that informs the user of the activated tank state. Both versions feature a test button that will activate the 90dB sounder and flash the display showing the current configuration of the tank level alarm, and a mute button to silence the sounder. The battery powered version has a low battery warning to give notice that the battery needs changing.

    The mains powered version has the additional feature of a volt-free relay for connecting the fuel storage tank alarm to another piece of equipment on-site such as a building management system, or another mains powered single channel alarm allowing the alarm status to monitored remotely for example in the office. Whilst commonly used as a diesel tank alarm, it is also suitable for use with a range of fluids such as water, waste oil and chemicals

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    CTS Multi-Compartment Tank Alarm (Battery)
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    CTS Multi-Compartment Tank Alarm (Battery)

    Availability - Please ask
    Price £190.00 £228.00 inc VAT
    Options

    The CTS Battery Operated Multi-Compartment Fuel Tank Alarm system has three functions; to detect and warn of a fuel storage tank overfill, a high/low liquid level and a bund leak. If the tank level alarm identifies that any of these states have occurred, the zone in question will illuminate on the alarm’s screen, and a loud siren and flashing red light will go off. When its battery is low, this level bund alarm will sound a single beep every minute to alert the user of this.

    Thanks to being battery powered, these fuel tank alarms are designed to be installed on isolated or portable systems, and each zone can be configured allowing the alarm to be customised by the installer. Options are available that come with three relays, allowing additional equipment to be connected to the tank level alarm such as larger alarm systems or building management systems for remote monitoring. 

    If you need a tank level alarm for a fluid other than diesel or light oil, also available are a water and chemical alarm probe, and a high viscosity oil tank level probe – which is also suitable for AdBlue as well as high viscosity oils.

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    CTS Multi-Compartment Tank Alarm (230v)
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    CTS Multi-Compartment Tank Alarm (230v)

    Availability - Please ask
    Price £220.00 £264.00 inc VAT
    Options

    The CTS Mains Operated Multi-Compartment Fuel Tank Alarm system has three functions; to detect and warn of a tank overfill, a high/low liquid level and a bund leak. If this fuel tank alarm identifies any of these issues, the zone in question will light up on the alarm’s screen, combined with an alarm sounder and flashing orange strobe, which provides the user with a clear warning of the activated tank state. Each zone can be configured in any of the three functions High, Low or Bund, enabling the complete customisation of these fuel tank alarms based upon the user's requirements with a very simple set of electrical jumpers.

    Options are available complete with three relays, to allow external equipment to be connected to each zone of the tank level alarm such as building management system for remote monitoring. This level and bund alarm also has the additional feature of controlling the pump from the relays (if fitted). When the fuel storage tank contents are 'low', the pump switches on and stays on until 'high' is reached.

    If you require a tank level alarm for something other than diesel or light oil, we also supply a water and chemical alarm probe, and a high viscosity oil tank level probe – which is also suitable for AdBlue as well as high viscosity oils.

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    2" SpillStop Overfill Prevention Valve
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    2" SpillStop Overfill Prevention Valve

    Availability - Please ask
    Price £82.00 £98.40 inc VAT
    Tank Type

    The SpillStop 2” Overfill Prevention Valve protects both the environment and the individual from the effects of fuel spillage. This overfill protection device is suitable for use on both fuel and diesel storage tanks, which may have a pumping or gravity feed system. Once the tank has reached its maximum fuel capacity, this valve will close to prevent any additional fuel from being delivered, thus preventing overfilling. A version of this can be supplied specifically for use on plastic tanks.

    Flow Rate Range (Litres per minute) - 35-600

    Pressure Range (Bar) - 0.15-6

    Working Temperature - -20/+50ºc

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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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