Thermosphere Electric Flow Boilers

£659.95£994.95 Incl. VAT

Free delivery over £250 (Exceptions Apply)
Next Day Available | 30 Day Return Policy
Further Delivery Information

Product Overview

Thermosphere Electric Flow Boilers are Environmentally friendly, compact and unobtrusive. The perfect water heating solution for homes without gas supply or where space is at a premium. Ideal for storage cupboards, extensions, loft conversions, conservatories and garages.

These slimline electric flow boilers are fully compliant with EcoDesign directive 2009/125/EU & Commission Delegated Regulation (EU) 811/2013 so they can be installed with total confidence.

Thermosphere Electric Flow Boilers Features

  • Controllable, efficient central heating
  • Integrated pump set and pressure release valve
  • No flue or fuel tanks means flexible installation
  • 99.8% efficient and EcoDesign Lot20 compliant
  • Compact and lightweight for easy installation
  • Minimal service and maintenance costs


  • ‘Heating only’ hot water systems
  • Heating and hot water with an indirect cylinder
  • Wet underfloor heating


Outputs range from 4.5kW to 9.0kW and each boiler features 3 heating elements that can be switched independently.

Three-phase 400V, 12Kw, 15Kw 18Kw and 24Kw models are also available to order.

Please Note that the 4.5/6/9/12Kw boilers are factory manufactured for Single Phase, can be also set to r Phase.  15/18/25Kw boilers are single-phase only.

Delivery Information

We have multiple delivery options

  • Next Day Carrier
  • Delivery From Branch 1-5 Working Day
  • Pallet -1-3 Days
  • Standard 1 -3 Day Carrier
  • Economy 1-3 Day Carrier
  • Click & Collect from store


The cost of the carriage will be displayed before your final checkout. Free delivery is available on most items for orders over £250, exceptions do apply.

Click And Collect

Please note that our stock levels are not live. Please contact your local branch prior to purchase, so that we can ensure the product is available to you. If the product isn’t available, we can organise this through an alternative branch.


  • Orders will only be dispatched and delivered on weekdays.
  • Orders for the next working day delivery must be placed before 2 pm, this gives us time to pick and pack before the carrier arrives to collect.
  • We aim to dispatch all carrier delivered items within 48hrs, and all items delivered on our own transport within 5 days, Monday to Friday. Saturday Delivery can be made upon request, depending on availability.
  • An email will be sent when your goods leave us via Carrier, this email will include tracking information. If your order is delayed for any reason, we will contact you.
  • If delivery is from a Branch, then a member of our team will be in contact with you.


We pride ourselves on our customer service, but mistakes can happen. If you receive an incorrect or faulty item, please notify us within 30 days to arrange a refund, return or exchange.


Technical data

DataSheet – ThermoSphere Electric Flow Boilers With Pump Datasheet


There are no reviews yet.

Be the first to review “Thermosphere Electric Flow Boilers”

Your email address will not be published. Required fields are marked *