Low Pressure Copper Indoor Cylinders
Manufactured in NZ since the 1930’s
Extensive range of capacities (9-225 L) and sizes means hot water cylinder replacement is easy.
Easy installation as connection to existing plumbing is easy with triple inlets, just choose left, right, or bottom for your cold water inlet.
Undersink range
Perfect if you need a little extra hot water—four sizes available 9-44 L.
Wetback options
Many wood, pellet fires, or burner systems can have a wetback fitted to them. A wetback can work as a valuable supplement to your hot water system.
Product Details
Suitable for:
- low pressure indoor residential and commercial water heating applications
- maximum operating pressures up to 76 kPa
- left, right, or bottom plumbing connections
Not suitable as a pool or spa heater.
Technical Specifications
Warranty
5 years
IP rating
IPX1
Not required
Hot and cold water connections ¾ ” (20 mm)
Inner cylinder: High grade copper
Outer casing: Galvanised steel
Incoloy stainless alloy steel
Maximum inlet pressure = 76 kPa
Maximum working pressure = 76 kPa
CFC-free polyurethane foam, compliant with MEPS standard
7 ” Cotherm probe 20 A over-temperature thermostat, manually resettable at 85 °C
7 ” Cotherm probe 20 A (no over temperature)
| Model | Weight empty | Weight full |
| 9 L | 7 kg | 16 kg |
| 14 L | 8 kg | 22 kg |
| 22 L | 9 kg | 31 kg |
| 44 L | 11 kg | 55 kg |
| 90 L | 16 kg | 106 kg |
| 135 L | 21 kg | 156 kg |
| 180 L | 26 kg | 206 kg |
| 225 L | 31 kg | 256 kg |
Based on a thermostat temp. setting of 60 °C and an incoming water temp. of 15 °C.
- 9 L = 32 mins (1 kW)
- 14 L = 49 mins (1 kW)
- 22 L = 1 hr 17 mins (1 kW)
- 44 L = 1 hr 10 mins (2 kW)
- 90 L = 2 hrs 38 mins (2 kW)
- 135 L = 3 hrs 56 mins (2 kW)
- 180 L = 5 hrs 15 mins (2 kW), 3 hrs 30 mins (3 kW)
- 250 L = 4 hrs 51 mins (3 kW)
No cylinder wrap required. All Rinnai cylinders meet the NZ Minimum Energy Performance Standard (MEPS).
- LCUS00934010 9 L 1 kW (diam. 340 mm, height 315 mm)
- LCUS01434010 14 L 1 kW (diam. 340 mm, height 420 mm)
- LCUS02234010 22 L 1 kW (diam. 340 mm, height 575 mm)
- LCUS04444520 44 L 2 kW (diam. 445 mm, height 585 mm)
- LC04444520 44 L 2 kW (diam. 445 mm, height 585 mm)
- LC09043020 90 L 2 kW (diam. 430 mm, height 1115 mm)
- LC09050020 90 L 2 kW (diam. 500 mm, height 820 mm)
- LC09053020 90 L 2 kW (diam. 530 mm, height 745 mm)
- LC13547020 135 L 2 kW (diam. 470 mm, height 1315 mm)
- LC13550020 135 L 2 kW (diam. 500 mm, height 1165 mm)
- LC13551020 135 L 2 kW (diam. 510 mm, height 1170 mm)
- LC13553020 135 L 2 kW (diam. 530 mm, height 1055 mm)
- LC13554020 135 L 2 kW (diam. 540 mm, height 1035 mm)
- LC13555020 135 L 2 kW (diam. 550 mm, height 980 mm)
- LC18051020 180 L 2 kW (diam. 510 mm, height 1495 mm)
- LC18051030 180 L 3 kW (diam. 510 mm, height 1495 mm)
- LC18053020 180 L 2 kW (diam. 530 mm, height 1370 mm)
- LC18054020 180 L 2 kW (diam. 540 mm, height 1320 mm)
- LC18054030 180 L 3 kW (diam. 540 mm, height 1320 mm)
- LC18055020 180 L 2 kW (diam. 550 mm, height 1265 mm)
- LC18055030 180 L 3 kW (diam. 550 mm, height 1265 mm)
- LC22555030 225 L 3 kW (diam. 550 mm, height 1540 mm)
- LCW13547020 135 L 2 kW (diam. 470 mm, height 1315 mm)
- LCW13550020 135 L 2 kW (diam. 500 mm, height 1165 mm)
- LCW13551020 135 L 2 kW (diam. 510 mm, height 1170 mm)
- LCW13553020 135 L 2 kW (diam. 530 mm, height 1055 mm)
- LCW13554020 135 L 2 kW (diam. 540 mm, height 1035 mm)
- LCW13555020 135 L 2 kW (diam. 550 mm, height 980 mm)
- LCW18051020 180 L 2 kW (diam. 510 mm, height 1495 mm)
- LCW18051030 180 L 3 kW (diam. 510 mm, height 1495 mm)
- LCW18053020 180 L 2 kW (diam. 530 mm, height 1370 mm)
- LCW18053030 180 L 3 kW (diam. 530 mm, height 1370 mm)
- LCW18054020 180 L 2 kW (diam. 540 mm, height 1320 mm)
- LCW18054030 180 L 3 kW (diam. 540 mm, height 1320 mm)
- LCW18055020 180 L 2 kW (diam. 550 mm, height 1265 mm)
- LCW18055030 180 L 3 kW (diam. 550 mm, height 1265 mm)
- LCW22555030 225 L 3 kW (diam. 550 mm, height 1540 mm)