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Flowline 2
Reliable, accurate and efficient, the Elecro FlowLine 2 fully titanium heater is the ideal choice for in-ground pools, above-ground pools and spas.
Features & Benefits
- Nine power options ranging from 2-kW to 24-kW
- Non-wired, requires connection to external contactor
- Robust, durable construction
- Ultra-reliable flow switch allows safe operation
- Fitted with temperature thermostat and overheating sensor
- Compact, durable design
- Analogue control with 1.2°C differential
- Titanium flow tube and titanium heating element(s)
- Can be floor or vertically wall mounted
- Vortex, long life, stay clean heating element technology
- 100% efficiency throughout product life
- Silent operation
Document Downloads
Data Sheet 
Spare Parts Lists
CAD Drawings (DWG) 
Manual| 220-240V 1-Phase | Load | Product Codes: | Dimension ‘L’ | Net Weight | Gross Weight | Volume |
| Power Output | [Amp] | [mm] | [kg] | [kg] | [m³] | |
| 2-kW | 9 | FL2-1-2 | 462 | 3.5 | 4.3 | 0.049 |
| 3-kW | 13 | FL2-1-3 | 462 | 3.5 | 4.3 | 0.049 |
| 4.5-kW | 20 | FL2-1-4.5 | 462 | 3.5 | 4.3 | 0.049 |
| 6-kW | 27 | FL2-1-6 | 462 | 3.5 | 4.3 | 0.049 |
| 9-kW | 40 | FL2-1-9 | 462 | 3.8 | 4.6 | 0.049 |
| 400V 3-Phase * | ||||||
| 6-kW | 9 | FL2-3-6 | 592 | 4.1 | 5.1 | 0.049 |
| 9-kW | 13 | FL2-3-9 | 592 | 4.1 | 5.1 | 0.049 |
| 12-kW | 18 | FL2-3-12 | 592 | 4.1 | 5.1 | 0.049 |
| 15-kW | 22 | FL2-3-15 | 592 | 4.1 | 5.1 | 0.049 |
| 18-kW | 26 | FL2-3-18 | 592 | 4.1 | 5.1 | 0.049 |
| 24-kW | 35 | FL2-3-24 | 592 | 4.1 | 5.1 | 0.049 |
| 220-230V 3-Phase | ||||||
| 6-kW | 15 | FL2-3-6-D | 592 | 4.1 | 5.1 | 0.049 |
| 9-kW | 23 | FL2-3-9-D | 592 | 4.1 | 5.1 | 0.049 |
| 12-kW | 30 | FL2-3-12-D | 592 | 4.1 | 5.1 | 0.049 |
| 15-kW | 38 | FL2-3-15-D | 592 | 4.1 | 5.1 | 0.049 |
| 18-kW | 46 | FL2-3-18-D | 592 | 4.1 | 5.1 | 0.049 |
| Power Supply | Single phase or three phase |
|---|---|
| Flow Requirements | Minimum flow: 3-kW & 6-kW, 1m³/h Minimum flow: 9-kW to 24-kW, 4m³/h Maximum flow: 17m³/h |
| Heating Elements | Grade 1 titanium |
| Flow Tube | Grade 1 titanium |
| Control Thermostat | Analogue: 0>45°C (1.2°C differential) |
| Safety Thermal Cut Out | 60°C (manual reset) |
| Flow Switch | Gold tipped reed switch with titanium fulcrum pin |
| Seals | High temperature special formula EPDM ferrules, TPE end fitting gaskets |
| Water Connections | 1.5″ BSP female thread supplied with 1½” / 50mm stepped ABS unions for rigid pipe and 1½” / 1¼” stepped hose tails for flexible pipe |
| Ingress Protection Rating | IP44 |
| Frequency | 50/60 Hz |
| Working Pressure | 4 bar maximum |
| Mounting | Floor or wall mounting |
Elecro Engineering Ltd,
Unit 11 Gunnels Wood Park,
Gunnels Wood Road, Stevenage
Hertfordshire SG1 2BH
United Kingdom
© 2023 Elecro Engineering Ltd