Suitable for:- indoor installations only- mains and low pressure systems- connection to a wetback fire and closed loop* solar system- residential and light commercial water heating applications
No suitable as a pool or spa heater, or for underfloor heating.
Water qualityRinnai cylinders are manufactured to suit most NZ council water supplies. However some supplies can have a detrimental effect on the cylinder, its operation and life expectancy. Stainless steel cylinders are not suitable for bore or tank water.
* For closed loop solar systems the heat transfer fluid is circulated through the solar collector on the roof where it is heated by the sun. The heated transfer fluid then passes through the cylinder coil, which acts like a very large element to heat the water.
Twin coil lower elementFor new builds and renovations connecting to a wetback fire and a closed loop solar system, where the homeowner will have full electric boost when there is not enough heat from the supplementary heating sources.
Twin coil dual elementFor new builds and renovations connecting to a wetback fire and a closed loop solar system, where the homeowner wants faster recovery times, and to reduce the risk of running out of hot water. Cylinder will have higher running costs.
Twin coil upper elementFor new builds and renovations connecting to a wetback fire and closed loop solar system, where the homeowner relies heavily on heat from the supplementary heating sources. Upper element is only used to quickly heat water in the top of the cylinder.
Construction
Inner, high grade duplex stainless steelOuter, galvanised steel
Insulation
CFC free polyurethane foam, compliant with NZ MEPS
Connections
Hold and cold connections ¾ " (20 mm)TPR ¾ " (20 mm)
Coil wetback
Wetback thermosiphon coil 1 " 25 mm diameter
Length = 10 m (0.785 m2)
Maximum kW rating 13.4 kW
Coil solar
Solar coil 1 " 25 mm diameter
Length 14 m (1.1 m2)
Maximum kW output 21.4 kW
Element
Incoloy 825 alloy sheath element, options; 2 kW, 3 kW, 2 x 2 kW, and 2 x 3 kW
Thermostat
Robert Shaw 30 A contact auto-reset (red dial)
TPR
TPR supplied, 850 kPa, 99 °C, 46 kW
Pressure limiting valve
This cylinder MUST be installed with a 500 kPa or less pressure limiting valve and appropriate cold water expansion valve
Weights
250L: 55kg empty, 305kg full
300L: 62kg empty, 362kg full
Compliance
No cylinder wrap required. All Rinnai cylinders meet the NZ Minimum Energy Performance Standard (MEPS).
Market release
September 2017
Common spares
Thermostat Robert Shaw red dial (ART solar) - 30015
Element MP SS 2 kW curved - 30002
Element MP SS 3 kW curved - 30004
TPR MP 850 kPa HT575 20 mm 99 °C, 46 kW - BE11004781
Warranty: 10 Years
Twin coil systems, save money on power in summer using solar water heating through the standard coil, and in winter heat the water by the wetback fire using the thermosiphon coil.
The thermosiphon coil for wetback has the water circulating through a coil inside the cylinder by a thermosiphon effect, i.e. warmer water rises and cooler water falls, creating a natural flow. This means there's no need for a pump to circulate the water, you can still heat your water even if there's a power cut.
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Rheem 26 Continuous Flow Gas Water Heater
Rinnai INFINITY® EF26
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