This electric boiler provides a compact, wall‑mounted solution for generating hot water using mains electricity. Designed for domestic and light commercial heating duties, it delivers a continuous flow of heated water at rated output while operating from a standard 230 V supply. The unit is intended to be installed on vertical surfaces and connects to existing plumbing to replace or supplement conventional water heaters.

Electric Heating Company Slim Jim 12 kW Electric Boiler EHCSJIM12KW

This electric boiler provides a compact, wall-mounted heat source for wet central heating systems. Designed to replace or supplement conventional plant, it delivers electric-generated heat to radiators, underfloor circuits and indirect or direct cylinders while occupying minimal wall space.

Heatrae Sadia Amptec C1200 12 kW Electric Boiler 95022005

Helping homeowners to minimise waste, the Heatrae Sadia Amptec C1200 electric flow boiler is a reliable electric alternative to gas or oil-fired home heating. Ideal for use in challenging locations, like a loft room, conservatory or workshop, this 12kW boiler is suitable for connection to pressurised or open-vented systems and can be installed with existing radiators, thermostats and valves for easy conversion to electric. With no flue outlet or fuel tank to work with, the Amptec simplifies installation and makes siting easier compared to conventional heating solutions.

Heatrae Sadia Amptec C1200 electric boiler only pack 12kW

The Trianco Aztec Tri-12 12kW electric boiler is slimline and compact, making it a popular choice for new builds and retrofit alike, particularly in homes where space is at a premium. Fully modulating, it has a cutting edge PCB for up-to-the-minute reliability and an external temperature control suitable for installation in the most convenient location. The Aztec requires very little maintenance and includes a self-diagnostic system to support quick fixes where needed. A safe, efficient alternative to gas heating, this electric boiler doesn't require fluing and doesn't emit gases, meaning there's no need to check for leaks.

Trianco Aztec Classic 12 tri-12 electric boiler 12kW

The Electric Heating Company 12kW SlimJim electric boiler reduces installation time and eliminates redundant external pipework with its compact, cupboard-fit design. Suitable for both central heating only or central heating and hot water, and applicable for use with underfloor heating too, this gas-free boiler is a popular choice for fitting in holiday homes, apartments and smaller commercial premises. Almost totally silent in operation and with no mandatory maintenance needed, the SlimJim is convenient and cost-effective.

Electric Heating Company Slim Jim 12kW indirect cylinder electric boiler 180litre 12kw

Suitable for use in pressurised or open vented systems, the Amptec U1201 electric flow boiler provides hot water to a wet central heating system and, when installed with a cylinder can control domestic hot water without the need for a gas supply. Silent in operation, flueless and with no fuel tank, this compact and lightweight boiler is ideal for smaller spaces, making installation easy in the location that's most convenient for the homeowner.

Heatrae Sadia Amptec U1201 Underfloor electric boiler 12kw

Electric Boiler & Indirect Cylinder Package

Electric Heating Company Slim Jim indirect cylinder electric boiler 210litre 12kw

Electric Heating Company Slim Jim indirect cylinder electric boiler 150litre 12kw

Electric Heating Company Comet indirect cylinder electric boiler 180litre 12kw

Electric Boiler & Direct Cylinder Package

Electric Heating Company Comet direct cylinder electric boiler 210litre 12kw

Improve heating and hot water efficiency and flexibility with the Electric Heating Company Comet 12 electric combination boiler. Ideal for wet central heating and DHW and compatible with standard radiators as well as underfloor heating, this 12kW electric boiler is nearly silent and produces no noxious fumes. Easy and quick to install compared to gas-fired boilers and with a greater range of siting options, the Comet 12 includes inbuilt diagnostics and simple controls making life easier for both engineer and user.

Electric Heating Company Comet 12kW electric combi boiler 1745mm x 628mm x 581mm 12KW 140L

Electric Heating Company Mercury electric combi boiler 12KW White (1)

Looking for 12 kw electric boiler? Order from Wolseley today - free delivery or click and collect available nationwide.

12 Kw Electric Boiler