Danfoss HP22 2 Port Motorised Valve
I am personally bias
Have always preferred Danfoss control components. It is exactly what I expected so satisfied with my purchase.
30 May 2014
Had four of these professionally installed as part of a large installation. Three have failed within 2 years. The valve seems fine, it is the motorised head that stops working - but it seems you need to buy the complete assembly to replace just the head. Fortunately it is easy to replace - just held to the back plate by two screws. When working they're fine but cannot recommend them for durability. If another one fails I will definitely look for an alternative make.
19 Oct 2013
fitted by qualified electrician and works well, not expensive for the job.
12 Mar 2011
Good price, easy to install
I have 3 x 2 port all 4yrs old, now they have become sticky ie, program shuts down boiler still going and pump running but valve has not completely shut, switch off power supply for one min. then turn on problem sorted. Replace motor body, costly.
6 Feb 2011