Now available from Rinnai – the HD55i

Now available from Rinnai is the HD55i, a heavy duty high efficiency gas fired continuous flow water heating unit with optimal fuel consumption, and in like-for-like comparisons with moretraditional methods, is more cost effective over a lifetime. Rinnai is an acknowledged global leader in the manufacture of tankless hot water heating units with group sales approaching £2 Billion.

The Rinnai HD55i Internal water heater is a wall hung, gas fired, continuous flow water heater capable of producing hot water at 820 litres per hour at a 50°C rise. The HD55i has a 125mm concentric flue which can be extended up to 15m, less 1m per 45° bend. As with the whole of the Rinnai range the HD55i is ErP A-rated and is super low- NoX ready for the next phase of eco-design.

The unit is compact, reliable and combines industry standards with innovation and quality. The HD55i operates between 1-10 bar pressure, which is suitable for mains cold water supply and systems with booster pumps and reaches water temperatures of up to 85°C, making the HD55i suitable for secondary return systems.

Rinnai Heavy Duty continuous flow gas fired water heaters feature outputs up to 58kW and water can be delivered at very precise, high volume temperature control. The smart digital controller regulates to within +/- 1ºC without any variation of temperature even with additional outlets. All models have full electronic ignition with no pilot light and operate on demand only, consuming no gas when not in use.

The Rinnai HD55i is a fully modulating 52.6kW unit that can also be installed in a manifold arrangement. This ensures that the system can and will meet any hot water demand at all peak times, no matter what the demand.

Typical applications include major restaurant chains, industry offices, hotels, sports centres, schools, sports clubs, shower blocks in holiday parks – anywhere with a need for extremely reliable supplies of hot water delivered economically and at energy efficiency levels surpassing all building regulations and European standards.