XL Commercial Storage Cylinders

XL Commercial Storage Cylinders

Made of Duplex 2205 stainless steel for high strength and corrosion resistance, with 100 mm of insulation to maximise heat efficiency.

The Rinnai XL range comes in three sizes (500 L, 800 L, and a 1000 L) and has a competitive ten year warranty.

These large volume buffer tanks can be used in commercial hot water storage applications such as apartments, hotels, wineries, dairy farms or heat recovery applications.

Hard or aggressive water will need to be treated in order to use this product, please test before use.

Model codes and capacities MSX0500 = 500 L
MSX0800 = 800 L
MSX1000 = 1000 L
Diameter and height

500 L: Ø 860 mm, 1820 mm

800 L: Ø 1010 mm, 1923 mm

1000 L: Ø 1010 mm, 2318 mm


Hot outlets: 2 " BSP female (50 mm)

TPR: 1¼ " BSP female

Secondary return: 2 " BSP female (50 mm)

Cold inlets: 2 " BSP female (50 mm)

Sensor pockets: ½ " BSP female


2205 duplex stainless steel with a PREN value of 35. This Ferritic-Austenitic steel combines high strength, and excellent corrosion and pitting resistance. The marine grade steel also gives a low thermal expansion and high chloride resistance.

2205 duplex stainless steel has approximately twice the strength of standard 304 and 316 stainless making it well equipped tp deal with system pressure.

Insulation 100 mm polyurethane-injected foam
TPR 1000 kPa, 25 mm, 132 kW

One TPR is supplied with each cylinder. If additional valves are required, these can be ordered separately (12095).
Pressure rating 10 bar
Heat loss 24 hrs (kWh) @ 65 °C 2.14 (500 L), 2.74 (800 L), 3.33 (1000 L)
Weights empty 99 kg (500 L), 153 kg (800 L), 178 kg (1000 L)
Weights full 599 kg (500 L), 953 kg (800 L), 1178 kg (1000 L)
Market release 2014

Rinnai XL commercial tank connection positions and dimensions

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