Understanding Septic Tanks & Sewage Treatment Plant Regulations

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Understanding Septic Tanks & Sewage Treatment Plant Regulations

Posted On: 2 April 2024


Have Septic Tank or  Sewage Treatment Plant or planning to get a new one? Then its important you know and understand the regulations surrounding…

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Why are oil tanks green?

Posted On: 20 March 2024


Oil Tanks the UK & Ireland are almost always green. There are over a million homes in Great Britain with oil tanks, the majority…

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CAP 12 Installed at a Large Country Home

Posted On: 15 February 2024


Owners of a Large Country Home in Yoxall at Staffordshire needed their old septic tank to be upgraded to a sewage treatment plant that…

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Harlequin rolls out its first Large Commercial Treatment Plant

Posted On: 19 August 2022


We are thrilled to announce that our first large commercial treatment plant proudly made its way out of our facility in East Kirkby. This…

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Why do we use heating oil to heat homes in the UK?

Posted On: 1 June 2022


Kerosene, also known as home heating oil or domestic heating oil is the most widely used fuel in off grid domestic heating systems in…

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Why is HVO so special?

Posted On: 8 April 2022


It’s an ideal renewable fuel for your boiler For over 50 years heating oil has been a popular choice of fuel for heating homes…

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NEW PRODUCT: 1200 Low Profile Bunded Oil Tank

Posted On: 1 March 2022


Peace of mind for a generation Harlequin Manufacturing Ltd. is proud to announce a NEW and improved version of our 1200 litre low profile…

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Pump Action – a guide to domestic pump stations

Posted On: 11 January 2022


Building your dream holiday home in a beautiful countryside location without access to the mains sewer? Wondering if there is a simple way to…

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Harlequin moves ahead with significant expansion plan

Posted On: 26 November 2021


Focus on people, technology, and facilities We have enjoyed significant growth in the last 40 years we’ve been in the business and are continuing…

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Harlequin celebrates 40 years of excellence

Posted On: 9 November 2021


Harlequin (then Clarehill Plastics) was founded by the formidable Mrs May Gracey in 1981 to pioneer the manufacture and supply of rotationally moulded plastic…

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CAP6&9 back in action

Posted On: 3 November 2021


Relaunched with improvements We have now relaunched our CAP6 & CAP9 compact sewage treatment plants. These continuous aeration plants operate using a unique bio-media system…

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Great response at Self Build Live Show Belfast

Posted On: 6 September 2021


We received a tremendous response at the Self Build Live show in Belfast last week. The show, on from 3-5th September, was the first…

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