Suitable for:

• indoor installations only (diam. 550 mm)

• residential and commercial water heating applications

• left or right hand plumbing connections

• connection to open loop solar or hot water heat pump systems

Not suitable as a pool or spa heater. 

Water quality
Rinnai 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.

Water supplies with a high level of calcium carbonate (hard water) can cause scaling on hot surfaces. We recommend a temperature of no more than 65 °C to minimise scale buildup. Scale reducing or water softening devices should be considered in hard water areas.  The unit is not guaranteed against damage due to scaling.

Diameter

550 mm

Anode

Not required

Connections

Hot and cold water connections ¾ " (20 mm)

Construction

Inner cylinder: High grade duplex stainless steel
Outer casing: Galvanised steel

Element

Incoloy 825 alloy sheath element positioned at the bottom of the tank.

Maximum working pressure

850 kPa

Pressure testing

To 15 bar

Thermal insulation

CFC-free polyurethane foam, compliant with MEPS standard

Thermostat

Robert Shaw 30 A contact thermostat, manually resettable at 85 °C. Thermostat can be upgraded to an auto-reset thermostat for solar and hot water heat pump applications.

TPR valve

Rating of TPR supplied with cylinder— factory set to 850 kPa and 90 °C.

Weight empty (approx.)

135 L = 29 kg
180 L = 35 kg
250 L = 45 kg
300 L = 53 kg

Cylinder recovery times (theoretical)

Based on a thermostat temp. setting of 60 °C and an incoming water temp. of 15 °C.

• 135 L = 3 hrs 56 mins (2 kW), 2 hrs 37 mins (3 kW)

• 180 L = 5 hrs 15 mins (2 kW), 3 hrs 30 mins (3 kW)

• 250 L = 7 hrs 17 mins (2 kW), 4 hrs 51 mins (3 kW)

• 250 L = 3 hrs 39 mins (2 x 2 kW), 2 hrs 25 mins (2 x 3 kW)

• 300 L = 8 hrs 45 mins (2 kW), 5 hrs 50 mins (3 kW)

• 300 L = 4 hrs 22 mins (2 x 2 kW), 2 hrs 55 mins (2 x 3 kW)

Compliance

No cylinder wrap required. All Rinnai cylinders meet the NZ Minimum Energy Performance Standard (MEPS).

Warranty: 10 Years