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Essential accessories for your oil storage tank setup

Your oil storage tank is an essential part of your heating and hot water system if you are off-grid. But it won’t work efficiently and safely without some accessories. Essential accessories ensure the optimal functioning of your oil storage tank, as well as keeping it safe, preventing thefts and much more.

These accessories can be used to replace worn items on an existing tank or as part of a brand-new installation. We stock a number of versions of most accessories, so you can choose which best suits your budget and your setup.

So what are the essential accessories for your oil storage tank setup?

Fill caps and vent caps Tank Fill Caps | Vent Caps | Steel and Plastic | Buy Online- over time, fill caps and fill point connections can become worn, preventing a sealed connection or allowing water or debris into your oil tank. If your fill cap or vent cap is lost or broken, it is likely rainwater may enter the tank, so it is important to replace it as soon as possible. All fill caps are supplied with a chain, so once secured they won’t fall down the side of a bunded tank into the bund.

Water finding and water absorbing – rainwater entering your tank can cause costly boiler breakdowns. So we stock a range of inexpensive products to detect and absorb water, including water finding paste and the tank water soaker, which is designed to soak up water from inside fuel storage tanks.

Fuel gauges Oil and Water Tank Gauges | BEST Prices | Products from stock - gauges are an important way of monitoring the fuel level in your oil storage tank. Not only do they help ensure you don’t run out of fuel, they may also indicate if you have a problem such as an oil leak or fuel theft. Electronic gauges, such as the Watchmansonic and Apollo, are suitable for both single skin and bunded oil tanks. Float gauges and hydrostatic gauges can also be fitted to either single skin or bunded oil tanks, as long as the tank has the right fittings. Traditional sight gauges can only be fitted to single skin tanks. 

Heating oil filters Heating oil filters | Wide selection of popular elements | Buy online |- oil filters are an important part of any oil installation. They are fitted to the pipework and remove sludge and debris from the fuel, preventing costly breakdowns. Variations include filters with clear bowls, which allow you to inspect the condition of the filter element and see if there is any water in the fuel without taking the filter apart. Oil filters should have their elements cleaned or replaced as part of the annual boiler service.   

Fire valves Fire valves for oil heating | From 1.5 to 30m in length - fire valves are an important safety device fitted as part of an oil appliance setup. They provide an automatic shut-off in the event of an overheat within a fuel burning appliance.

Isolation valves Pipe work isolation valve | Buy Online | Supplied from Stock – isolation valves are used to start or shut off the flow of oil from your tank. There are two main types – gate valves, which operate like a standard tap, or lever ball valves, which are operated with a lever.

De-aerator - Tiger loops | GOK de-aerators | Buy Online | FAST Delivery from Stock - if your oil storage tank’s offtake is lower than the burner on your appliance, you will probably need a de-aerator. Under OFTEC regulations, all de-aerators must be fitted externally to the building as they vent oil fumes - unless they are specifically designed for internal use.

Heating oil flow meters - Heating Oil Flow Meters | Choice at BEST prices | In Stock - heating oil flow meters are ideal for measuring the fuel used by individual appliances supplied from the same oil storage tank. These are popular with landlords when they are trying to measure or monitor an individual tenant’s oil usage.

Fill points - Fuel Tank Fill Point Assemblies | In Stock | Fast Delivery fill points are an integral part of filling an oil storage tank. They are designed to allow easy filling of large static tanks from ground level or from a remote location. At Tanks for Everything, we stock a range of valves, connections and assemblies which will allow you to connect on to your tank to fill it. The fuel tank fill point cabinet is designed to securely lock away an oil storage tank's fill point from tampering and theft, without making it difficult to see tank level readings.

Tank security devicesHeating Tank Locks | Protect your oil from theft | Instock -fuel theft can be a problem, especially with fuel prices on the rise. Protect your fuel with an inexpensive security device from Tanks for Everything.

Heating oil additivesEXOCET Heating Oil Additives | Cooker or Boiler - adding these additives to your heating oil tank can have significant benefits, including:

  • Lowers carbon emissions
  • Stabilises fuel
  • Inhibits sludge formation
  • Reduces deposit build-up
  • Keeps fuel fresh for longer
  • Reduces service problems
  • Improves system efficiency

Tank level alarms - Oil Tank Bund and Overfill Alarms | Fast Delivery | Buy Now – there are two types of tank level alarm and you may decide to choose one or both. Bund alarms are used on bunded oil tanks to warn when the inner tank has failed and oil has escaped into the bund. High-level alarms indicate when the tank is reaching its maximum safe level during filling, but before the tank is overfilled. 
 

Not sure which accessories you need for your own individual oil storage tank setup? Talk to us at Tanks for Everything and we can give you the best advice to help you find the products which really suit your needs, whether you’re looking to upgrade your system or need replacement parts for your existing setup.

The information provided in these articles is for general informational purposes only and should not be considered as professional advice. The content is created to the best of our knowledge and is based on information available. We may make changes to the material on our Website, or to the products and prices described in it, at any time without prior notice. If you would like to find out more and discuss your specific application with us further, please contact us and a member of our expert team will gladly assist you.

Tuesday 23rd June 2026
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