EHS Flex Smart Electric Boiler

The Flex range gives you a smarter, simpler way to heat homeswithout gas. Every model is range-rateable, so you can match output to the propertys heat loss for faster installs, fewer callbacks and lower running costs.

Why choose Flex

• Eco: ~100% efficient; no direct CO; near-silent; compatible with solar PV & air-source heat pumps; aligns with UK 2025/2050 goals.
• Easy install: Pre-wired, no flue, compact; integrated pump & expansion vessel; works with existing rads/pipework & UFH; RF/Wi-Fi thermostat-ready.
• Low maintenance: No gas certs or CO risk; minimal servicing; few moving parts; next-day spares.
• Flexible: 230 V single-phase and 400 V three-phase options; power modulates from 2 kW to full output; volt-free controls.

Models

• Flex Combi Ideal for smaller properties with one bathroom; instant hot water and heating with no cylinder or flue required. Continuous DHW; 14 kW 230 V or 24 kW 3-phase.
• Flex System For homes with higher DHW demand; pair with an unvented cylinder. 7 kW & 14 kW 230 V or 24 kW 3-phase.