E-Tec 28 NX Combi Boiler | Boilerhut

Alpha E-Tec 28 NX Combi Boiler

Price: £810   each, inc. VAT | Ex. installation | 3-10 years boiler finance available.

If you’re looking for a compact and efficient combi boiler for your small to medium-sized home, you should consider the Alpha E-Tec 28 NX combi boiler.

This boiler is equipped with a high-quality Grundfos pump and a durable stainless steel heat exchanger, which ensure reliable and efficient performance. Its compact size makes it a great choice if you want to save space without compromising on heating and hot water. It appears in our best boilers in the UK guide too.

  • Heat output: 28kW
  • Stainless Steel Heat Exchanger
  • Combined PRV and condensate

(Boiler-only price: comparing five or more suppliers, including Screwfix and Plumbase. Correct February 2024).

The latest Alpha combi boiler E-Tec 28 NX offers upgraded stainless steel heat exchangers and up to 94% efficiency.


  • 94% / A rated efficiency
  • Thermoplastic moulded stainless steel heat exchanger for lightness and long-lasting efficiency
  • Ultra-compact dimensions – 712mm in height, 440mm wide and 255mm deep.
  • Premium components in a combi boiler for a great price
Alpha Weather Compensation Probe - Fitted

Alpha Weather Compensation Probe – Fitted.


  • 94% / A rated efficiency
  • Stainless steel heat exchanger won’t lose efficiency over time like aluminium
  • Modulation rage of 1:6
  • Weather compensation compatible
  • OpenTherm compatible

Size and Installation

  • 28kW gas condensing boiler
  • Ideal for installation in a cupboard
  • Quiet operation means it doesn’t need to be in a cupboard
  • Integrated pressure value, reducing pipework


  • Large display for easy operation
  • User-friendly control
  • Smart thermostat compatible such as Tado and controlled via a smartphone
Alpha Comfort 2-Channel

Alpha Comfort 2-Channel Controller.

Environmentally Friendly

  • Low CO2 emissions for reduced environmental impact
  • 1:6 modulation enables running at reduced power output
  • Boiler Plus compliant Alpha controls available
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