The Rinnai HD55i internal water heater is a room sealed, wall hung, LPG or natural gas fired continuous flow water heater. The Infinity Low NOx 55i is capable of supplying in excess of 833 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 that ensure the appliances produce less than 20ppm NOx, future proofing the systems against legislative changes.

Installation Internal wall mounted
Height 583mm
Width 357mm
Depth 236mm
Weight 21kg
Exhaust system Forced Room Sealed
Temperature Range 37°C – 85°C
Ignition method Direct electronic
Gas consumption Propane 2.8kW – 58kW max
Hot water delivery capacity 26L/min raised 25°C
Min operating water flow 1.5L/min
Nominal operating pressure 1 – 10 bar
Power supply 230V AC 50Hz 1ph
Electric consumption (remote/standby/antifrost) 97/2/120 Watts