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A fully titanium heater by Elecro, the Evolution 2, is the latest and upgraded version of the original Evolution. Boasting 100% efficiency, safety, and above all, reliability, this compact and robust unit will effortlessly heat your pool or spa to your desired temperature.


Ten power options ranging from 1-kW to 24-kW

Easy installation, fully equipped and pre-wired

Robust, durable construction

Ultra-reliable flow switch allows safe operation

Temperature thermostat and overheating sensor

Compact, durable design

Analogue control with 1.2˚C differential or digital control with 0.5˚C differential and selectable multi-lingual display

Titanium flow tube and titanium heating element

Can be floor or vertically wall mounted

Vortex, long life, stay clean heating element technology

100% efficiency throughout the product life

Silent operation


Power SupplySingle phase or three phase

Flow Requirements

Minimum flow: 1-kW to 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

Analogoue: 0>45°C (1.2°C differential)

Digital: 0 > 45°C (0.5°C differential)

Safety Thermal Cut Out60°C (manual reset)

Flow SwitchGold tipped reed switch with titanium fulcrum pin

Contactor Siemens 3RT2023 OR 3RT2027

SealsHigh temperature special formula EPDM ferrules, TPE end fitting gaskets

Water Connection 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,Frequency50/60 Hz

Working Pressure4 bar maximum MountingFloor or wall mounting


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SKU: 00154
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