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Combi Boilers

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£1,950 — £2,150

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Alpha E-Tec Plus NX 28kW Combi Gas Boiler

Alpha E-Tec Plus NX 28kW Combi Gas Boiler

£1,950.00
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Worcester Bosch Greenstar 1000 30kw Gas Combi Boiler

Worcester Bosch Greenstar 1000 30kw Gas Combi Boiler

Original price was: £2,599.00.Current price is: £2,150.00.
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Worcester Bosch Greenstar 1000 24kW Combi Gas Boiler

Worcester Bosch Greenstar 1000 24kW Combi Gas Boiler

£1,950.00
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Viessmann Vitodens 025 Gas Combi Boiler 24kW

Viessmann Vitodens 025 Gas Combi Boiler 24kW

Original price was: £2,350.00.Current price is: £1,950.00.
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Viessmann Vitodens 025 Gas Combi Boiler 28kW

Viessmann Vitodens 025 Gas Combi Boiler 28kW

Original price was: £2,450.00.Current price is: £1,950.00.
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Combination boiler units deliver both warmth and instant hot water within a single, efficient system.

These combined systems are generally faster and more cost-effective to install, especially when replacing one combi boiler with another, while also being energy-efficient to operate.

These gas combination boilers are suitable for new setups or as upgrades for outdated, less effective systems.

These compact combi boilers are space-saving units suitable to most homes in the UK, they come in a range of power KW outputs and capacities from top UK combi boiler brands.

Our full combi boiler range includes options with diverse warranty durations, catering to small, medium, and large residential properties.

Solar Panels & Boiler Installations Nationwide

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The Alpha E-Tec Plus NX 28kW Combi Gas Boiler is a premium condensing combi boiler designed for small to medium homes with up to 10 radiators and 1 bathroom. It offers a hot water flow rate of 11.6 litres per minute at 35°C and a 94% seasonal efficiency rating (ErP A-rated). Its ultra-compact size (712x440x268mm, 33kg) fits in a standard kitchen cupboard, making it ideal for space-constrained properties. Features include a stainless steel heat exchanger molded in thermoplastic for durability and lighter weight, a high-efficiency Grundfos Delta T variable speed pump, a 1:6 modulation ratio, and a large LCD with touch button controls. It’s weather compensation compatible, supports OpenTherm and Alpha BUS controls, and includes an integrated filling loop, removable push-fit flue connection, and zinc-plated expansion vessel. Certified Good Homes Approved, it supports natural gas and comes with a 10-year parts and labour warranty, extendable to 13 years with Alpha’s Cyclone Plus filter and PremierPack jig. Ideal for homeowners seeking high performance and value.

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