22kW Electric Boiler

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22kw Electric Boiler hire, portable unit rental Cross hire services

A 22kW Electric Boiler is the perfect rental boiler for low-output applications. It produces 22kw of heating duty from a 415 volt three-phase electrical supply. Typically, you would hire this boiler for floor screed drying during building projects.

Using the underfloor heating system to dry out the floor screed can save valuable time during the construction process. And, by hiring this electric boiler, you don’t need to wait for a permanent plant room to be installed before using the underfloor heating system. Equipped with a number of electrical sockets, enabling the use on a variety of electrical supplies.

This compact, portable boiler comes complete with a pump, trolley and safety features including an expansion tank, high-pressure cutout, and over-temperature cutout.

Optional Ancillary Equipment

  • Boost pump – for longer pipe runs
  • Plate pack – for domestic hot water
  • High-temperature flexible hose
  • Manifold sets for multiple boiler connection
  • Air handling units for space heating


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Nominal Output 5 - 22 kW
Temperature Range (Heating) 20/72°C
Temperature Range (DHW) 25/65°C
Fuel Type Electric
Power Supply 415v 3ph 50Hz
Running Current 31 Amps
Plug Type 32A 5 Pin BS4343
Maximum Working Pressure (Heating) 3 Bar
Maximum Working Pressure (DHW) 5 Bar
Safety Valve (Heating) 3 Bar
Safety Valve (DHW) 5 Bar
Heat Exchanger Optional (DHW)
BMS Outputs No
Time Clock No
Frost Protection No
Flow (max) 55 ltrs/min
Pump Capacity 4,500 ltr/hr @ 0.6 bar
Variable Temperature Control Yes
Expansion Vessel 10 ltrs
DHW Circulation System Yes (separate)
Flexible Hose Connections Storz
Water Connections Flow / Return / Cold Feed 1"
Noise Level 45 dBa @ 1mtr
Weight 50kg
Dimensions (WxDxH) 600 x 550 x 1100mm
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