Mercury Combi Boiler

 

Premium Heating & Hot Water – Smart, Efficient, Powerful

The Mercury is a high-performance electric combi boiler with advanced features like weather compensation and service diagnostics—perfect for off-grid homes.

Key Features:

  • Outputs: 12kW & 14.4kW (single phase), 19kW & 26kW (three phase)
  • Hot water: 30°C–60°C | Heating: 20°C–85°C
  • Ideal for radiators & underfloor heating
  • Digital control panel with easy temperature adjustment
  • Instant hot water for sinks & showers (19/26kW models suitable for baths)
  • Optional cylinder integration for higher demand
  • Weather compensation & advanced diagnostics
  • Bare-wire elements resist limescale buildup

A premium, intelligent solution for efficient heating and hot water—no gas required.

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Mercury Features

  • 100% efficient
  • Instant Domestic Hot Water
  • Enhanced Hot Water Flow Rate Due To Bare Wire Technology
  • Low Running Noise (32Db)
  • Suitable for Underfloor Heating
  • Rapid Heat Up Times
  • 5 years Guarantee *T&C’s Apply
  • External Weather Compensation
  • Automatic Power Modulation
  • Integral System Diagnostics
  • Easy-Fit Connectors & Sensors
  • High Temperature Cut-Out
  • Pressure Gauge
  • ErP Smart Pump
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Mercury Installation Compliance Package

The Electric Heating Company recognise that “Time is Money” and as such have developed “One Stop Shop” Component Packages that incorporate all the necessary components needed to meet Part L of the Building Regulations and ensure a high-quality system install. 

This Pack includes all the key components required to ensure a hassle-free professional install of the Mercury Combi Boiler. 

Pack Contents includes the following. 

 

• 1 x Room Thermostat, RF, Programmable (EC10030)

• 1x Filling Loop (CB92) 1x Flow Restrictor (5L=12kw, 6L=14kw, 8L=19kw, 12L=26kw) 

• 1x EHC Pro 4 Magnetic Filter (CB162)

• 1x Adey MC1+ Inhibitor (CB157) 

• 1x Adey MC3 System Cleaner (CB156)

• ElectroScale 2 15mm

 
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The Mercury boiler brings a new era to the Electric Combi Boiler market with the introduction of External Weather Compensation & Bare-Wire Heating Element technology for Domestic Hot Water.

Bare-Wire elements are more robust in tackling the formation of lime scale due to operating at higher temperatures with a lower surface area.

The Mercury also features advanced service diagnostics via the main interface.

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