EHS Primus 14000S Electric System Boiler
The EHS Primus 14000S Electric System Boiler is designed to meet all your home’s space-heating needs through either a traditional wet central heating system or underfloor heating. As a direct replacement for a gas system boiler, it connects seamlessly to existing radiators and pipework, making installation smooth and straightforward.
When paired with an unvented indirect hot water cylinder, the Primus 14000S can comfortably supply hot water for larger homes and properties with multiple bathrooms. By integrating a timer or using off-peak electricity tariffs, you can heat your water store at reduced cost — ideal for saving money and using renewable energy more efficiently. With no flue required, minimal moving parts, and zero risk of carbon monoxide, this boiler offers a clean, quiet, and low-maintenance alternative to traditional gas systems. It’s also perfectly suited for homes with solar PV when paired with a cylinder.
Key Features
Pre-wired for quick and easy installation
Works with both vented and unvented cylinders
Integrated pump and expansion vessel
Zero carbon monoxide or gas leak risk
No flue required — flexible siting anywhere in the home
Stylish and intuitive touch-screen controls
Minimal moving parts and no mandatory servicing
Perfect for solar PV integration
Compatible with off-peak, low-cost, and renewable tariffs
Recommended for use with RF or WiFi programmable thermostats
Product Specifications
Manufacturer: Electric Heating Supplies
Model: Primus
MPN: ALS1-1PSY-14
SKU: 81379
GTIN: 5065008142157
Product Type: Electric System Boiler
Warranty: 5 Years (manufacturer T&Cs apply)
Dimensions: 630mm (H) × 380mm (W) × 230mm (D)
Gross Weight: 24kg
CH Output: 14kW / 47,768 BTU
FAQs
Do I need to change my radiators or pipework?
No — the Primus 14000S is designed as a direct replacement for a gas system boiler and works with your existing heating system.
Can this boiler provide hot water as well?
Yes — when paired with an unvented indirect cylinder, it can supply hot water for larger homes and multiple bathrooms.
Does the boiler need annual servicing?
There’s no mandatory annual servicing because it’s fully electric with minimal moving parts, although periodic checks are recommended to maintain performance.
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