The EHS Flex 14kW Single Phase Electric System Boiler (ALC1-PSY-14F) is a powerful, compact and efficient electric heating solution designed for medium-sized properties with moderate heating demands. Delivering 14kW of range-rateable heating output, this wall-mounted system boiler provides reliable central heating without the need for gas or a flue. Operating from a standard 230V single-phase electrical supply, it is compatible with both vented and unvented hot water cylinders and can be used with standard radiators and underfloor heating systems. With an intuitive touchscreen interface, integrated pump and expansion vessel, quiet operation and 100% efficiency at point of use, the EHS Flex 14kW provides a modern heating solution for properties where gas is unavailable or flue installation is not practical.
14kW Heating Output Single Phase 230V 100% Point-of-Use Efficiency 5 Year Warranty
Heating Output
14kW
Range-rateable
Electrical Supply
230V
Single phase
Maximum Flow Temperature
80°C
Heating system
Electrical Current
61A
63A recommended breaker
Applications & suitability
Medium Flats
Suitable for medium-sized flats and properties with moderate central heating requirements.
Small Houses
Provides a practical electric heating solution for small homes requiring reliable central heating.
Radiators & Underfloor Heating
Compatible with standard radiators and underfloor heating systems.
Vented & Unvented Cylinders
Designed to work with both vented and unvented hot water cylinders for stored domestic hot water.
Key specifications
| Brand |
EHS (Electric Heating Systems) |
| Range/Family |
Flex |
| Product Code (MPN) |
ALC1-PSY-14F |
| Product Type |
Electric System Boiler |
| Model |
Flex 14kW Single Phase |
| Fuel |
Electric |
| Phase |
Single Phase |
| Voltage |
230V |
| Current |
61 Amps |
| Recommended Breaker |
63 Amps |
| Recommended Cable Size |
10mm |
| Heating Output |
14kW (Range-Rateable) |
| Max Heating Pressure |
1.5 bar |
| Min Heating Pressure |
0.5 bar |
| Max Flow Temperature |
80°C |
| Min Flow Temperature |
20°C |
| Heating Connection Size |
3/4" Male Connector |
| PRV Connection Size |
15mm |
| Mounting |
Wall-mounted |
| Internal Vessels |
Integrated Pump & Expansion Vessel |
| Efficiency |
100% at point of use |
| Warranty |
5 Years (Subject to T&Cs) |
Installation & compatibility
Flexible electric installation: The EHS Flex 14kW is a wall-mounted electric system boiler with no flue requirement, allowing flexible positioning in suitable areas such as kitchens, utility rooms, airing cupboards and loft spaces. It is supplied pre-wired and incorporates an integrated pump and expansion vessel to simplify installation. The boiler is compatible with both vented and unvented hot water cylinders and can be connected to standard radiators or underfloor heating systems.
Design & performance benefits
Range-Rateable Heating
The 14kW heating output can be range-rated to suit the heating requirements of the property.
Touchscreen Controls
A modern touchscreen interface provides straightforward operation and control.
Quiet Electric Operation
Designed for quiet operation with minimal moving parts, supporting long-term reliability.
Compact Design
The compact wall-mounted design is suited to properties where installation space is limited.
Additional installation features
Pre-Wired Installation
Pre-wired construction helps simplify installation for qualified installers.
Integrated Components
Integrated pump and expansion vessel reduce the need for separate system components.
Flexible Energy Options
Suitable for off-peak, low-cost and renewable electricity tariffs, with solar PV compatibility when paired with a cylinder.
Ideal for
The EHS Flex 14kW Single Phase Electric System Boiler is ideal for medium flats, small houses and other properties with moderate heating requirements where gas is unavailable or a flue cannot be installed. With 100% efficiency at point of use, integrated components, touchscreen controls, no gas requirement and no mandatory annual servicing, it provides a practical and modern alternative to traditional gas heating. Compatibility with vented and unvented cylinders, standard radiators, underfloor heating, RF or WiFi programmable thermostats and renewable electricity options makes the Flex 14kW a versatile choice for modern electric heating installations.
At GetPlumb, we strive to provide reliable and cost-effective delivery options to our customers. Please review our shipping policy below.
🆓 Free Local Delivery (Orders £100 & above)
We offer FREE delivery on orders £100 or more
for selected local areas.
Eligible Postcodes Include:
- RG*
- SL*
- OX10*, OX11*, OX49*
- HP1*, HP3*, HP8*, HP9*, HP10*, HP11*, HP12*, HP13*, HP14*
- WD*, HA*, UB*, TW*, KT*
- W1* – W9*
- NW*, SW*
Delivery Time: 2–4 working days
Shipping Cost: £0.00
📦 Standard Shipping (Weight-Based Rates)
For orders that do not qualify for free delivery, standard
shipping rates apply based on total cart weight.
- For cart weight between 0–2 kg, the shipping cost is £4.50 with a delivery time of 2–4 working days.
- For cart weight between 2–24 kg, the shipping cost is £9.99 with a delivery time of 2–4 working days.
- For cart weight between 24 kg and above, the shipping cost is £60 with a delivery time of 2–4 working days.
🧱 Block Salt (Harvey’s) – Unit-Based Shipping
This rate applies only to Harvey’s block salt products.
- £7.99 is charged for every 3 items.
- The charge increases by £7.99 for each additional set of 3 items.
Examples:
- 1–3 items → £7.99
- 4–6 items → £15.98
- 7–9 items → £23.97
Delivery Time: 2–4 working days
📏 Large / Long Items (Length-Based Shipping)
For oversized items where the product length is 1.5 metres or more:
Conditions:
- Product length ≥ 1.5 m
- Cart weight ≤ 40 kg
Shipping Cost: £18.00 (flat rate)
Delivery Time: 2–4 working days
Collection from Store
Customers can also choose to collect their order from our store in
Reading, UK, at no additional charge. For any questions regarding shipping, please contact our support team at online@getplumb.co.uk.
