All orders, wherever possible are shipped the same day within the UK as long as it is received before 1 pm.
Orders placed on Friday after 1 pm or the weekend will be dispatched on Monday.
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This 12kW three-phase immersion heater is designed for high-demand industrial liquid heating applications. It features a G1½" stainless steel threaded fitting with Incoloy 800 heating elements, delivering excellent resistance to oxidation, scaling, and high-temperature operation for long-lasting performance.
With an 850mm immersion depth, this heater is ideal for deep tanks, vessels, and process systems requiring rapid heat-up. The 100mm × 100mm plastic terminal box houses three-pole combination control thermostats and an integrated pilot light, allowing precise temperature control and clear visual status indication.
The unit is completed with an M20 × 1.5 cable gland and 2-metre pre-wired 4 × 2.5mm² cable, ready for safe three-phase installation.
Power Output: 12kW (3 × 4000W heating elements)
Supply Voltage: 400V AC, three-phase
Immersion Depth: 850mm
Thread Connection: G1½" stainless steel fitting
Heating Element Material: Incoloy 800
Temperature Control: Three-pole combination control thermostats
Visual Status: Integrated pilot light
Terminal Enclosure: 100mm × 100mm plastic box
Cable Entry: M20 × 1.5 cable gland
Pre-Wired Cable: 2 metres, 4 × 2.5mm²
Heavy-Duty Design: Suitable for continuous industrial operation
| Specification | Details |
|---|---|
| Power Rating | 12kW (3 × 4000W) |
| Voltage | 400V AC |
| Phase | Three-Phase |
| Immersion Depth | 850mm |
| Thread Size | G1½" BSP |
| Fitting Material | Stainless Steel |
| Element Material | Incoloy 800 |
| Control | Three-Pole Combination Control Thermostats |
| Pilot Light | Yes |
| Terminal Box Size | 100mm × 100mm |
| Cable Gland | M20 × 1.5 |
| Cable Length | 2 metres |
| Cable Size | 4 × 2.5mm² |
| Mounting Type | Screw-in immersion |
Large industrial process tanks
Buffer vessels and calorifiers
Chemical and wash tanks
Water treatment and storage systems
Deep storage or IBC containers
Installation must be carried out by a qualified electrician or competent engineer
Heater must be fully submerged before energising
Combination thermostats provide operational temperature control and safety cut-out
Verify supply protection and cabling are suitable for 12kW three-phase load
Ensure fluid compatibility with Incoloy 800 heating elements
1 × 12kW Immersion Heater (G1½" Stainless Steel, 850mm immersion depth)
Incoloy 800 heating elements
Three-pole combination control thermostats
Integrated pilot light
100mm × 100mm plastic terminal box
M20 × 1.5 cable gland (fitted)
2m pre-wired 4 × 2.5mm² cable

All orders, wherever possible are shipped the same day within the UK as long as it is received before 1 pm.
Orders placed on Friday after 1 pm or the weekend will be dispatched on Monday.
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