On 03/02/2019 19:54, Cynic wrote:
I've just bought a brand new 22mm Honeywell 2 port zone valve on eBay for 22.50 including postage. Shop sensibly is the way to go.

take it apart and pull on te motor lead crimps. If they fall apart,
solder them


--
Renewable energy: Expensive solutions that don't work to a problem that
doesn't exist instituted by self legalising protection rackets that
don't protect, masquerading as public servants who don't serve the public.