HRO Industrial
The HRO range of stock immersion heaters is designed for commercial and light industrial water heating applications. Previously known as the Heatrae Industrial and Ormandy R Series range of products, this is a trusted range with a wide installed base. The IP55 terminal box can be rotated through 180 degrees to facilitate easy installation into all types of locations. Supplied as standard with control and high safety limit thermostatic control. The heaters are available with both low temperature thermostats for frost control along with normal and high temperature thermostats to give a wide flexibility of application uses.

Example of Applications
- For use in water applications only*
- Intensive water heating (commercial)
- Frost protection
- Thermal storage
- Renewable systems
Features & Benefits
- IP55 rotatable terminal cover
- 2" & 2¼BSP threaded glands
- Incoloy 825 alloy sheathed elements
- Wide range of thermostats available
- Available from stock
- Control & high limit thermostats in all 2¼" BSP heaters to comply with BS EN 60335-2-73
- Unique design offers both single and three phase installation
-
HRO Technical data
Material
Incoloy 825
Loading
1-18kW, Element Diameter: 8mm
Design
Head thread size: 2", 2¼" BSP
Immersed length: 11" (280mm) -36" (855mm)
Low watts density
Voltage
240V Single Phase, 415V Three Phase
Optional
High or low temperature thermostats
Others
Dual function removable thermostat with secondary protection
-
HRO Product examples
Product Code
Ormandy Model No
Voltage (V)
kW
Fixing BSP
Immersed Length
HRO111B ISS 3
5R 111
240/415
1
2"
11"
HRO216B ISS 3
5R 216
240/415
2
2"
16"
HRO311B ISS 3
5R 311
240/415
3
2"
11"
HRO616B ISS 3
5R 616
240/415
6
2"
16"
HRO924B ISS 3
5R 924
240/415
9
2"
24"
HRO1236B ISS 3
5R 1236
415
12
2"
36"
HRO111A ISS 3
6R 111
240/415
1
2¼"
11"
HRO216A ISS 3
6R 216
240/415
2
2¼"
16"
HRO311A ISS 3
6R 311
240/415
3
2¼"
11"
HRO330A ISS 3
6R 330
240/415
3
2¼"
30"
HRO411A ISS 3
6R 411
240/415
4
2¼"
11"
HRO416A ISS 3
6R 416
240/415
4
2¼"
16"
HRO616A ISS 3
6R 616
240/415
6
2¼"
16"
HRO630A ISS 3
6R 630
240/415
6
2¼"
30"
HRO636A ISS 3
6R 636
240/415
6
2¼"
36"
HRO724A ISS 3
6R 724
240/415
7.5
2¼"
24"
HRO916A ISS 3
6R 916
240/415
9
2¼"
16"
HRO924A ISS 3
6R 924
240/415
9
2¼"
24"
HRO936A ISS 3
6R 936
240/415
9
2¼"
36"
HRO1224A ISS 3
6R 1224
415
12
2¼"
24"
HRO1236A ISS 3
6R 1236
415
12
2¼"
36"
HRO1824A ISS 3
6R 1824
415
18
2¼"
24"
HRO1836A ISS 3
6R 1836
415
18
2¼"
36"
*Contact us for recommendations for chemical and oil applications
These products are sold direct or via our certified distribution partners - for more information please contact us