Links

www.viessmann.co.uk.

www.spirotech.co.uk

Unipipe. Press fit pipe system.
www.unipipe.ie/

Mitsubishi approved installer for Ecodan air source heat pumps.
LINK

Oscar thermal stores. The way forward.
LINK

Dps thermal stores.
www.heatweb.com

Kamco power flushing and chemical treatment
www.kamco.co.uk

Pump world. Very good inverter driven pumps. 
www.pumpworld.co.uk

Jupiter underfloor heating.
www.jupiterunderfloorheating.com

Akvaterm thermal stores.

http://akvaterm.org.uk/