EHS Primus 6000S Electric System Boiler
The EHS Primus 6000S Electric System Boiler is part of the reliable Primus S range, designed to deliver all your home’s heating needs through a wet central heating or underfloor heating system. As a direct replacement for a gas system boiler, it connects to your existing radiators and pipework without the need for costly upgrades, making installation smooth and stress-free.
When paired with an unvented indirect cylinder, the Primus 6000S can also supply hot water for everyday use, making it versatile enough for a wide range of properties. With no flue required and zero risk of carbon monoxide, it offers safe, clean and flexible heating. The compact size and minimal moving parts mean very low maintenance, while using timers and off-peak electricity gives homeowners the chance to lower running costs and make better use of renewable energy. It’s also ideal for homes with solar PV when combined with a cylinder.
Key Features
Pre-wired for quick, easy installation
Suitable for vented and unvented cylinders
Built-in pump and expansion vessel
No flue required — install almost anywhere
Zero carbon monoxide risk
Stylish touch-screen controls
Minimal moving parts and no mandatory servicing
Perfect for integrating with solar PV systems
Compatible with low-cost and renewable electricity tariffs
Works with RF or WiFi programmable thermostats
Product Specifications
Manufacturer: Electric Heating Supplies
Model: Primus
MPN: ALC1-1PSY-6
SKU: 79864
GTIN: 5065008142102
Product Type: Electric System Boiler
Warranty: 5 Years (manufacturer T&Cs apply)
Dimensions: 630mm (H) × 380mm (W) × 230mm (D)
Gross Weight: 21kg
CH Output: 6kW / 20,472 BTU
FAQs
Do I need to replace my radiators when installing this boiler?
No — the Primus 6000S works with your existing radiators and pipework, making it a true like-for-like replacement for a gas system boiler.
Can this boiler provide hot water too?
Yes — when combined with an unvented indirect hot water cylinder, it can supply all your home’s hot water needs.
Does the boiler require annual servicing?
There is no mandatory servicing because it’s fully electric and has very few moving parts, though occasional checks are recommended to maintain long-term performance.
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