Rinnai, leading manufacturer of a complete range of A-rated continuous flow gas fired water heaters, is supplying the UK with what is thought to be the most reliable individual units* on the market.

The ErP A-rating** applies over the complete Infinity range – from small domestic models to XXL sized industrial units. Rinnai is the only manufacturer that can field a complete range of gas fired water heaters that more than achieve to coveted A-rating.

Rinnai can combine high efficiencies with high levels of reliability. During 2015 warranty claims against Rinnai stood at 0.05% demonstrating unparalleled reliability.

The next issue is servicing – the Rinnai system is simple and straightforward to service as all components are easily accessible and parts readily available.  Compare this to a business, for example a fast food restaurant or a hotel, running on just one cylinder, they would have to shut down the hot water system to allow it to be drained and inspected as part of the service. This would mean that during this down time the business may have to cease operating for a few hours while the work is carried out.

Another problem is a breakdown: if your only source of hot water fails then you have no means to provide hot water until the fault is rectified. If we take the worst-case scenario of a cylinder failure the whole thing needs to be replaced and this is no easy task especially when you consider the weight. You are now looking at multiple problems:

  1. a) You have lost all hot water capability.
  2. b) You need to pay for a replacement (if it isn’t covered by warranty).
  3. c) You have to pay for engineers to remove the faulty one and replace it, which can take days to change.

If we then look at a Rinnai Infinity water heater or multiples thereof, the down time would be reduced significantly, in the case of multiple units, putting up with reduced capacity for a very short period of time.

Servicing not only reduces the down cost of the business but can also reduce the servicing cost as a Rinnai water heater can be fully serviced and back operating within one hour. If a unit fails whereby it needs replacing, this replacement can be done in a couple of hours and if you have a bank of heaters you will still have the facility to provide hot water, albeit at a slightly reduced capacity, while one of the heaters is down. This is nowhere near as disruptive as having no hot water at all, and perhaps having to close the business while servicing or replacement takes place.

According to Rinnai UK Associate Director Chris Goggin: “The configuration of the Rinnai system is supportive of operational reliability. In effect, if you have a cylinder and you need to service it, or it breaks down, you are left with nothing but a standing body of water.

“Many Rinnai systems supply additional benefits to storage by using multiple heaters, let’s say three so the total system is made up of 33.3% by each heater. If one needs servicing there is still 66.66% still operational so there is no downtime for the hotel, restaurant or any other facility that uses hot water as a criteria feature.

“Some facilities incorporate additional heat engines as a means of built-in redundancy so that the system will always operate at full capacity even during servicing.”

Goggin concludes: “The Rinnai continuous flow system has significant USPs over any stored hot water system while at the same time offering built-in reliability and peace of mind to both installers and their customers.”

* With regards to the reliability of the units themselves a comparison of unit sales from 2013 until April 2016 against Rinnai UK’s warranty database shows 0.003% first year failure rate. (2013 is when the new database was set up.)

** All water-heating products sold in the UK need to meet minimum energy performance criteria in order to be legally placed on the market, and require an energy label.

For more information on the RINNAI product range visit www.rinnaiuk.com

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