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Tankless K26i - 48kW Domestic Multipoint Water Heater

Tankless K26i - 48kW Domestic Multipoint Water Heater

Rinnai Multipoint Tankless K26i Internal Water Heater

The condensing technology wihtin the K26i delivers up to 107% net thermal efficiency, which translates to
significant energy savings when compared to their conventional counterparts.

  • Energy efficient -107% net efficiency*
  • Saves space, water and energy
  • Limitless application
  • 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 meter of Natural Gas or LPG. These compact wall mounted water heaters capture residual heat from it's flue gases and transfers it into the water being heated.

The K26i also incorporates multiple safety feature sensuring temperature accurate hot water delivery
and eliminating scalding.

W26iKM-NAT: Natural Gas Water Heater
W26iKM-LPG : LPG Water Heater

*The model is an ideal replacement for Andrews water heaters - Andrews Fastflo and Bosch water heaters - Bosch Greenspring water heater


Ancillaries Domestic Multipoint Brochure K26i Multipoint Eco Label K26i Multipoint Product Fiche

Status Monitoring For Easier Diagnostics

The status monitor has three conditions:

  1. The water heater is off (no water flowing):The LED is blank
  2. The water heater is on (heating water ):The LED displays the set temperature
  3. The water heater should be on, but is not (water flowing, heater is not on):The LED will flash a diagnostic code


Installation Internal
Fuel Natural Gas or LPG*
Control Modulating
Gas consumption
Nat Gas 48.3 kW max
LPG 47.6 kW max
Exhaust type Internal - forced room sealed
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)
Gas 3/4 bsp
Water Inlet 3/4 bsp
Water Outlet 3/4 bsp
Condense outlet 1/2 bsp
Electrical Supply 230 AC 50Hz 1ph

* Sperate models available for Natural gas or LPG fuel.

** Minimum flow rate based on temperature set point and inlet conditions.

Additional Information

Gas Usage 4.6m3
Gas usage LPG 3.4kg/hr
Turn down 48.3 - 2.83 kW

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