Rinnai

Rinnai hot water – reliably instant, energy efficient and lower fuel costs for UK homeowners

  • 5 Dec 2019

Rinnai’s range of ErP A-rated continuous flow gas-fired hot water heaters now includes models specifically aimed and designed for the UK domestic market.

The units guarantee high efficiencies and low running costs, combined with consistent water temperatures seven days a week.   

Rinnai’s range of continuous flow water heating units are being specified and installed in the whole range of domestic properties – studios, flats, houses, high-end residential houses – as installers and end users become aware of the ease of installation, and the energy & cost saving benefits.

Rinnai manufactures over 2 million water heaters every year and is at the forefront of creating unit cost advantages for installers. 

Competitively priced, the units offer all technological advances and innovations, all at a similar cost to lower specification competitor models.

The reason for the increase in popularity is because continuous flow heating systems are proven to be more energy efficient than conventional ones and are now the preferred method of hot water provision.

Rinnai units meet the demands of any size of home and are ideal where high volumes are demanded at intermittent times of the day, delivering safe temperature useable hot water.

Rinnai’s multipoint 17i water heater, for example, eliminates the problem of sudden changes in water temperature, resulting in cold showers or scalding hot baths – the water temperature you set is the water temperature you get.

Rinnai

So, if somebody is happily showering at 42°C and a tap is turned on to draw a bath elsewhere in the property, the temperature does not vary, and there is no chance of either user running out of hot water. 

The Rinnai 16i interior model measures just 675 x 370 x 139mm and weighs in at 18kg – a one-man lift. The room-sealed unit has a temperature range of 35°C to 60°C with direct electronic ignition.

Gas consumption ranges between 4.7kW-6.5kW for Natural Gas and 4.9kW-36.8kW when using propane. Hot water delivery flow is an impressive 16ltr max flow.

Nominal operation pressure is 1-7 bar and it uses a 230V AC 50Hz 1ph power supply with an electrical consumption of 68W.

Meanwhile, where an external installation is required, the Rinnai 17e external multipoint water heater offers greater flexibility at the design stage and offers a viable solution where flue runs are problematic or internal space is not available.

Capable of flow rates of up to 510 litres per hour at a 50°C rise, the 17e is suitable for multiple applications and can be specified for use with Natural Gas or propane. 

The 17e has full frost protection and is available with a range of external ancillary items, including pipe cover box – and security cage where necessary.

For smaller properties, the Infinity 11i interior unit differs from the 17i as it weighs 2kg less at 16kg and consumes 6.10kW-21.60kW of Natural Gas and has an 11-litre maximum flow.

Key features of the 24kW Rinnai 11i are: Compact & lightweight unit for easy installation; Robut, durable heat exchanger; User friendly digital controls; In-built frost protection; Ideal replacement for large obtrusive and bulky cylinder; Compact design to fit a limited space.

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