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Rinnai

We are a global leader in gas appliance manufacturing, striving for reliable and consistent quality. We specialise in the development of Commercial and Multi-point water heaters.

We have built a global network spanning 17 countries, with Rinnai-brand products sold in 79 countries. Seeking to establish a service presence firmly rooted in each local market, we adhere to the principle of locally produced, locally consumed, with production and sales undertaken by local members of the Rinnai Group. This principle underscores the solid reputation that the Rinnai brand enjoys.

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Latest News

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Now Rinnai Offers Extended Warranties On All Continuous Flow Hot Water Heating Units – Up To 12 Years

Now available from Rinnai is a comprehensive range of continuous flow water heaters with market leading warranties that protect customers from additional costs on the appliances.

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Rinnai Water Heaters – Provide Listed Building With Over 13 Years (And Counting) Of Durability And Economy

Rinnai's latest case study highlights how their water heaters have provided 13+ years of consistent, cost-effective hot water to a listed building.

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The Role Of Data & Information In Current Global Energy

Chris Goggin analyses the role and key distinctions between data and information in the current UK and international energy market. The influence of data driven DHW and heating system improvements will be explored, as will the subject of misinformation that is spread across mainstream and alternative media platforms.

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E-methane & Off Grid Fuels: What They Are - And Will They Become UK Market Relevant?

Chris Goggin explains what E-methane is, how it is produced and its potential relevance inside the UK alternative gasses market. An informed synopsis of the current off grid gas and energy market will be used to highlight how E-methane and other lesser well-known gasses such as Bio-LPG and biomethane can contribute towards off-grid NetZero aims and support commercial enterprises.

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Hard Water Issues - DHW System Maintenance Explained

Pete Seddon, Head of Technical at Rinnai UK, explains the terms “hard and soft water” and expands on the long-term effects hard water has on DHW systems. Further attention is given to how system maintenance is provided to combat DHW system component fatigue – a result of untreated hard water. 

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Rinnai Puts Limescale Defence Front And Centre At Installer Show 2025

Rinnai to champion critical role of scale protection in hot water systems—plus new tech, extended warranties and 15 chances to win one of 15 free boilers.​. 

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