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Comet Boiler & Indirect Cylinder Packages

Boiler outputs from 9kW to 14.4kW and Cylinder capacities from 150L to 210L

Comet Electric Boiler & Cylinder Heatpacks are designed to reduce installation time and eliminate unnecessary external plumbing and pipe work.This value-for-money package includes a Comet Electric Boiler and an Indirect Stainless Steel Cylinder complete with a Twin Channel Heatpack.

Comet Electric Boiler Packages are available with single phase Boilers from 9kW to 14.4kW with a choice of Indirect Stainless Steel Cylinders from 150L to 210L. An Electric Boiler on a wet central heating system presents all the controllability offered by a gas fired central heating system. Using standard pipe-work, conventional wet system radiators and thermostatic radiator valves the boiler, being 100% efficient and fully modulating, will take the same amount of time to heat the property as a gas boiler. As no flue is involved and no gas analysis is required the installation of the system will be a lot quicker than that of a gas system boiler.

Our single phase Electric System Boiler outputs are 9kW, 12kW with the 14.4kW available for properties that require larger outputs.

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Shop Comet Electric Boiler & Indirect Cylinder Packages online


Comet Features

  • 100% efficient
  • Integral sealed system kit
  • Virtually silent in operation
  • Suitable for central heating only or central heating & hot water
  • Suitable for Underfloor Heating
  • 6 Stage Heating
  • Stainless Steel Heat Exchanger
  • 5 Year Warranty (T&C’s Apply)
  • Volt-Free Control Connections
  • Integral System Diagnostics
  • Easy-Fit Connectors & Sensors
  • In-Built Fault Finding Diagnostics
  • High Current Thermal Cut-Out
  • Vortex Flow Temperature Sensor
  • Digital Pressure Gauge
  • ErP Smart Pump
  • Removable bottom tray

What's Included - Choice of Electric Boiler & Indirect Stainless Steel Cylinder

  • Twin Channel Programmer
  • Room Thermostat
  • 2 Port Zone Valve (x2)
  • Wiring Centre
  • Dual Cylinder Thermostat
  • Temperature & Pressure Relief Valve


  • 1 x 3kW Immersion Heater
  • Filling Loop
  • DHW Expansion Vessel
  • 15mm / 22mm Tundish
  • Inlet Control Set
  • Installation & Maintenance Instructions
  • Benchmark Logbook
Screenshot 2024-07-05 105048

Indirect Cylinder Features

  • ErP C-Rated Hot Water Cylinder
  • 50mm Insulation
  • T&P Relief Valve
  • Backup 3kW Immersion Heater

  • If a property has a bath then it is likely that a hot water cylinder will be required. For properties requiring large amounts of Domestic Hot Water an Indirect Cylinder will re-heat quicker than a Direct Cylinder with a 3kW Immersion Heater.


MagnaClean Pro2® filter

Upgrade Your Heating System with MagnaClean Professional2 Filter: Improve Efficiency and Extend Lifespan of your Electric Boiler. Combat the #1 cause of heating system breakdown in the UK by maintaining clean water. Enhance your system’s performance and lower running costs with this advanced filtration solution.

This optional extra removes both magnetic and non-magnetic debris, safeguarding your heating system from clogs and ensuring smooth, efficient operation.

Choose the MagnaClean Professional2 Filter for your Electric Boiler and experience the following advantages:

  • Protect the working components in your Electric Boiler by effectively removing black iron oxide or sludge.
  • Maintain peak efficiency throughout the entire lifespan of your Electric Boiler.
  • Monitor water quality, minimizing efficiency fluctuations and reducing the risk of breakdowns due to dirty water.

Explore the optional upgrade of the MagnaClean Professional2 Filter below and elevate the performance and longevity of your heating system.

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EHC - The Electric Boiler Specialists

  • Installation is quicker than a gas system
  • The wiring of an Electric Boiler is the same as an Electric Shower
  • Electric Boilers can be used for Open Vented Systems
  • Can be used as back-up for Heat Pumps
  • Standard radiators and valves can be used with Electric Boilers
  • EHC Electric Boilers have a soft start to avoid power surges
  • Electric Boilers are almost silent when operating
  • Electric Boilers emit no noxious fumes or gases
  • Can be used with underfloor heating systems
  • EHC only use and recommend High Efficiency ErP Smart Pumps



© 2024 The Electric Heating Company Ltd

Company Number: SC289495

VAT Number: GB442070921

Website by Yello


01698 820533

Block 5, Unit 40, Third Road, Blantyre Industrial Estate, Blantyre, South Lanarkshire G72 0UP
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