All of our products are independently tested and accredited as exceeding the minimum SEDBUK efficiency requirements and comply with Building Regulations Approved Document L1A, L1B for England and Wales, the Building Standards (Scotland) Regulations Section 6, Part F Northern Ireland and Part L Republic of Ireland.
Warmflow boilers are covered by a 1 year parts and labour warranty on the boiler and controls and 5 years on the heat exchanger. Optional extended warranties are available providing cover for a full 5 years.

Greenstar CDi Classic Combi Boiler

The Greenstar CDi Classic Boiler is a top of the range Combi Boiler offering the highest levels of hot water comfort.
This boiler has set the benchmark within the industry for efficiency and reliability and is suitable for homes with one or two bathrooms.

Greenstar Ri (27kW & 30kW) Gas Boiler

The higher output Greenstar Ri Gas Boiler is a compact, Wall Mounted Boiler that is perfect for medium and large-sized homes.
Small enough to be installed in a standard kitchen cupboard, this boiler can be used with our range of high efficiency Greenstore cylinders for a complete Worcester system solution for your home.