How to shift a diverter stopcockby combi boler? i need to transmutation my diverter valve on my combi boiler and...

i need to transmutation my diverter valve on my combi boiler and only needed to know how to change it over and how much would a unmarked diverter valve cost it is a valliant eco max boiler
Wut do u use to drill chalice lacking...
Answers:    yeah struggle
What brand would I use to reseal my...
Whad'ya aim diverter valve? Do you denote zone valve? Water feeder/ regulator spigot? Need more info.