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  1. How to Descale a Commercial Dishwasher

    How to Descale a Commercial Dishwasher

    Your dishwasher is a vital part of your kitchen, serving dirty plates to customers won’t be as forgivable as an overcooked Rump Steak. Limescale builds up in your machine can be detrimental to your businesses hygiene rating. To provide sanitation dishwashers reach a temperature of 82.2°c, limescale can build up around the heating element decreasing the machine performance and capability of achieving high temperatures for cleaning.

    Limescale build up will lead to mineral deposits forming on your plates. This will appear as a white film on your dishes. So how do we tackle it? 

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  2. Inside a Commercial Dishwasher

    Have you ever wondered what it looks like inside the machine when you run a wash? It’s something that we have been wondering about for a while here at Industrial Warewashers, and so we thought we’d see what we could find.

    Thankfully, a helpful YouTuber by the name of RandomRazr has the answer for us, at least for an under-counter model. With a waterproof GoPro and a light inside the machine, along with the regular load, we can see the machine in action from an all-new angle.

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  3. General Installation Instructions

    This installation guide is designed to be a simple guide for installation and first operation of your glasswasher. Each machine sold by Industrial Warewashers will be supplied with the manufacturers' installation instructions which are specific to your commercial glass or dishwasher. We recommend that, if possible, you refer to the particular manufacturer manual before installing the product.

    Important: If you have purchased a WRAS approved product then it will have been supplied with a double check WRAS approved valve. To comply with WRAS approval conditions, the enclosed double check valve MUST be fitted in-line with the incoming mains water supply and BEFORE the isolation valve.

    1. Remove all the packaging and film covering
    2. Where a water softener is in use connect the mains water to the top of the water softener. Connect the machine to the bottom
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  4. Daily, Weekly & Monthly Dishwasher Maintenance Tasks

    Failing to maintain your machine will void any warranty on the machine.


    1. Always empty machine at the end of every day and wash out the filters.
    2. Only use compatible detergent, rinse aid, salt & descaler.
    3. Never turn the machine on when water is not available.



    To replenish the water softener, turn both taps clockwise and remove the top and drain water to a suitable level. Put about a pint of salt in, then replace top (be careful to not over tighten). Turn bottom pipe connector back and let the water run for approx 40 minutes into a nearby sink. Turn both taps anti-clockwise; your water softener is then replenished.



    Let machine fill & heat up, put approx 10oz of descaler in the machine and leave 5 minutes. Then run the cycle three times with nothing in the machine; this helps to clean the

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  5. General Glasswasher Operation Instructions

    General Glasswasher Operation Instructions

    The operating instructions provided below are generic operating instructions for that should apply to any commercial glasswasher. Therefore, it is important to note that none of these instructions is specific for your machine and you should always refer to the manufacturers' handbook provided at purchase for essential operations and maintenance.

    Before Switching On The Machine Check:

    • Machine is empty
    • Wash tank(s) are clean
    • Filters/Strainers (and curtains if applicable) are in the position
    • Wash arms and jets are fully located
    • Rinse arms are in the position
    • The drain plug is in place
    • Detergent & Rinse Aid containers are full and without an airlock

    Filling The Machine:

    • Check machine is ready for filling
    • Switch on at wall isolator
    • Close door(s)
    • Switch the machine
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  6. WRAS Approved Commercial Dishwashers

    WRAS Approved Commercial Dishwashers

    Many suppliers and manufacturers will not consider WRAS approval when proposing a solution for your business. However, depending on your industry sector or washing requirements it could be a legal requirement for your business and therefore something you need to consider when buying a commercial dishwasher.

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  7. Water Softener Regeneration

    Water Softener Regeneration

    A manual 8 or 12 litre water softener can be fitted to any Glasswasher or Commercial Dishwasher machine, and is an extremely important piece of equipment, when in hard water areas, that will ensure good washing results, can lower detergents usage and most importantly reduce the build-up of limescale to avoid expensive breakdowns and guarantees of suppliers' warranties.


    For light use, regeneration once a month will be sufficient – more intensive use can require two regenerations per month. If washer starts to scale up (turns white internally), then you will need to up the frequency to a more regular interval.


    The water softener is connected between the Mains water supply and the equipment by two usually blue flexi hoses and tap (the sort that you might see on a domestic dishwasher). T

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  8. Hard Water Areas In The UK

    Hard Water Areas In The UK

    While we recommend that all appliances fitted to mains water supplies (mainly commercial dishwashers and glass washers) are installed and equipped with a water softener. The extent on which you will rely on your water softener to protect equipment, the frequency at which you are required to regenerate your water softener and the size of water softener you need will largely depend on whether you live in a hard water area or not.

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  9. Commercial Water Softeners

    Commercial Water Softeners

    The hardness of water supplied to your commercial dishwasher can have a considerable impact on machine longevity and wash results as hard water creates limescale deposits, both on machine components and washed items. That’s why most commercial dishwashers are designed to operate in connection with a water softener.

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  10. Styles & Sizing of Commerical Dishwashers & Glasswashers

    Styles & Sizing of Commerical Dishwashers & Glasswashers

    This guide is written to introduce the sizing and terminology used to describe the different types of ware washer available on the UK market to help you to select which category is best suited to your businesses particular requirements.

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