Rinnai produces over 12 million gas appliances every year, which are distributed globally, and are all ISO 9001 and ISO 1400I certified (International standard for environmental management systems).
Backed with extensive warranties and fully qualified after sales teams, Rinnai is proud to be the No.1 choice for Continuous Flow Hot Water. Rinnai hot water systems fulfil your requirements for new or existing projects, providing the optimum solution by using both individual and multiple appliances manifold.
Rinnai employ innovative manufacturing and testing techniques to deliver unparalleled levels of safety, comfort and efficiency.
The Rinnai water heaters fall into 3 different sections: Domestic, Entry Level Commercial and Commercial.
Domestic Internal Water Heaters
16i and 11i
Sudden changes in water temperature, causing cold showers or scalding hot baths are a thing of the past. Unlike many competitors, the water temperature you set is the water temperature you get. So, if you are showering at, say 42°C, and someone turns on a tap elsewhere in the house, the temperature will not vary.
Rinnai Infinity 16i/11i is the perfect solution to hot water requirements for domestic properties/dwellings and light commercial use. It is designed to allow maximum flexibility when choosing where to install it, as it does not have to be mounted on an external wall. The Rinnai Infinity 16i/11i is designed for use directly off the mains and therefore there is no need for large, ungainly storage vessels.
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| Installation | Internal wall mounted | |
| Height | 675mm | |
| Width | 370mm | |
| Depth | 103mm | 134mm |
| Weight | 18kg | 16kg |
| Exhaust System | Room Sealed | |
| Temperature range | 35°C - 60°C | |
| Ignition Method | Direct Electronic | |
| Gas Consumption | Natural Gas or Propane | |
| Hot water Delivery Capacity | 16 Ltr max flow | 11 Ltr max flow |
| Min Operating water flow | 2.4 Ltr/min | |
| Nominal Operating Pressure | 1 - 7 bar | |
| Power Supply | 230V AC 50Hz 1ph | |
| Electrical Consumption | 68W | |
Domestic External Water Heaters
17e
The Rinnai 17e external water heater has the added advantage that the unit is externally mounted. This feature gives greater flexibility at the design stage and can offer an alternative solution where flue runs are problematic or internal space is not available.
As with all units in the Rinnai range the 17e has full frost protection. A range of external ancillary items including a pipe cover box and security cage are available where necessary. Capable of flow rates of up to 510 litres per hour at a 50°C rise, the 17e is suitable for multiple applications, such as cafés, small restaurants and kitchen facilities.
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| Installation | External wall mounted |
| Height | 503mm |
| Width | 355.6mm |
| Depth | 181mm |
| Weight | 17kg |
| Exhaust System | Forced Exhaust |
| Temperature range | 37°C - 75°C |
| Ignition Method | Direct electronic |
| Gas Consumption | 37.1kW (N.G.) / 29.7kW (LPG) |
| Hot water Delivery Capacity | 17 Ltr/min raised 25°C |
| Nominal Operating Pressure | 1 - 10 bar |
| Electrical Consumption | 67W Normal / 100W max (Frost Protection) |
K26i - Now Obsolete
The condensing technology within the K26i delivers up to 107% gross thermal efficiency, which translates to significant energy savings when compared to their conventional counterparts.
- Energy efficient - K26i 107% net efficiency*
- Saves space, water and energy
- Limitless applications
- Compact design with internal and weather-proof external models
- Temperature accurate hot water delivery
Rinnai's unique condensing technology incorporates two heat exchangers to achieve optimum water heating generated from every cubic metre of Natural Gas or LPG. These compact wall mounted water heaters capture residual heat from its flue gases and transfer it into the water being heated. The K26i also incorporates multiple safety features ensuring temperature accurate hot water delivery and eliminating scalding.
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| Installation | Internal |
| Fuel | Natural Gas or LPG* |
| Control | Modulating |
| Gas consumption - Natural Gas | 48.3 kW max |
| Gas consumption - LPG | 47.6 kW max |
| Exhaust type | Internal - forced room sealed - Concentric |
| Ignition | Electronic |
| Burner | Stainless steel |
| Low NOx | Less than 50ppm for all heaters |
| Weight | 29kg |
| Water flow rate | 1.5** to 37L/min |
| Minimum operating pressure | 1.0 Bar |
| Noise level | 50 db(A) |
| Connections (Gas, Water inlet/outlet) | 3/4 bsp |
| Connections (Condense outlet) | 1/2 bsp |
| Electrical Supply | 230 AC 50Hz 1ph |
Entry Level Commercial
55i
The Rinnai HD55i internal water heater is a room sealed, wall hung, natural gas or LPG fired continuous flow water heater. The Infinity Low NOx HD55i is capable of supplying in excess of 820 litres per hour raised 50˚C making it an ideal choice for high capacity, light commercial to large industrial system specifications, as up to 25 units can be cascaded to supply any specification. The Infinity Low NOx range incorporates patented down firing pre-mix burner technology meaning that the appliances produce less than 20ppm NOx future proofing the systems against legislative changes.
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| Installation | Internal |
| Dimensions (H x W x D) | 670mm x 470mm x 222mm |
| Weight | 28kg |
| Exhaust type | Forced room sealed (Concentric) |
| Temperature range | 40, 42, 50, 55, 60, 65, 75, 85°C |
| Ignition method | Electronic |
| Gas consumption - Natural gas | 52.6kW - 4.05kW |
| Low NOx | Less than 20ppm |
| Water flow rate | 1.5** to 37 L/min |
| Noise level | 41 db(A) |
| Minimum operating pressure | 1.0 bar |
| Power supply | 230V AC 50hz 1ph |
| Connections (Gas, Water inlet/outlet) | 3/4 bsp |
55e
The Rinnai Infinity Low NOx HD55e water heater is an external wall mounted, continuous flow water heater that is capable of running on natural gas or LPG and supplying in excess of 820 litres/hr. The mixture of power and flexibility ensure that the Infinity Low NOx commercial water heater is ideal for light commercial to large industrial sites where plant room space is limited. The HD55e water heater incorporates patented down firing pre-mix burner technology meaning that the appliances produce less than 20ppm NOx.
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| Installation | Internal |
| Dimensions (H x W x D) | 670mm x 470mm x 222mm |
| Weight | 28kg |
| Exhaust type | Forced room sealed (Concentric) |
| Temperature range | 40, 42, 50, 55, 60, 65, 75, 85°C |
| Ignition method | Electronic |
| Gas consumption - Natural gas | 52.6kW - 4.05kW |
| Low NOx | Less than 20ppm |
| Water flow rate | 1.5** to 37 L/min |
| Noise level | 41 db(A) |
| Minimum operating pressure | 1.0 bar |
| Power supply | 230V AC 50hz 1ph |
| Connections (Gas, Water inlet/outlet) | 3/4 bsp |
Commercial Water Heaters
The condensing process delivers up to 107% gross thermal efficiency, which translates to significant energy savings when compared to their conventional counterparts.
- Energy efficient -HDC1500i/e 105% net efficiency*
- Saves space, water, energy and time
- Limitless application
- Compact design with internal and weather-proof external models
- Renewables ready when you are - Suitable for use as a temperature booster for solar thermal and heat-pump
1500i & 1500e
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| 1500i | 1500e | |
| Installation | Internal | External |
| Fuel | Natural Gas or LPG* | |
| Control | Modulating | |
| Gas consumption - Nat Gas | 48.3 kW max | 59.5 kW max |
| Gas consumption - LPG | 47.6 kW max | 58.8 kW max |
| Exhaust type | Internal - forced room sealed (Concentric) | Direct forced exhaust (No flue required) |
| Ignition | Electronic | |
| Burner | Stainless steel | |
| Low NOx | Less than 50ppm for all heaters | |
| Weight | 29kg | 31kg |
| Water flow rate | 1.5** to 37L/min | |
| Minimum operating pressure | 1.0 Bar | |
| Noise level | 50 db(A) | |
| Connections (Gas, Water inlet/outlet) | 3/4 bsp | |
| Connections (Condense outlet) | 1/2 bsp | |
| Electrical Supply | 230 AC 50Hz 1ph | |
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