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Whilst Germany may be synonymous with premium car manufacturing, we believe going Dutch is the only route to quality without compromise when it comes to boilers. For over 65 years, ATAG has been building boilers to the very highest technical specifications at our impressive, Netherlands based production plant. Renowned worldwide for its engineering excellence, ATAG is a name you can trust.

Working With Trusted Tradesmen

Choosing an installer to fit your heating system is no small leap of trust. That’s why ATAG will only supply boilers to legally qualified Gas Safe registered installers, such as John Nicholson Gas. So you’ll know you and your family are in safe hands.

Utmost Reliability

Reliability is guaranteed, thanks to exacting Dutch engineering, only ‘A’ grade metal and brass components and 65 years’ manufacturing experience. ATAG boilers are built to last with a unique lifetime replacement guarantee on the iCon heat exchanger as well as extendable, flexible warranties of up to 10 years’ full parts and labour.

Why Choose ATAG?

Atag Combi Boilers - John Nicholson Gas - Gas Safe registered central heating installers across Cramlington Newcastle upon Tyne

To learn more about ATAG Heating Technology please visit their website by clicking here.

To request a quote or to book an appointment to upgrade to an ATAG boiler please contact us today.

We are dedicated to completing jobs to a high and consistent quality, always looking to build a long term customer relationship

gas health and safety

Health and safety

We think it is very important for our employees to be suitably trained and competent in Health and Safety to protect themselves and our customers.

budget boiler installation

Time and budget

We actively work to a quality management system (ISO 9001) this ensures we can complete our jobs correctly to time and budget.

high quality work

High quality work

Every job we undertake is important to us whether it be a tap washer or a much larger project we guarantee a top quality job.

In business over


years and counting

Why choose us

From straight forward boiler replacements to large modern heating and hot water systems our philosophy stays the same, excellent customer care and very high quality workmanship from skilled and knowledgable tradesmen.

We install more than 750 new boilers per year and maintain and service in excess of 4,000!! These include loyal private customers, commercial clients of every size, property management companies and landlords
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© John Nicholson Heating Ltd | 7 Atley Business Park, Cramlington, Northumberland, NE23 1WP

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