Recent content by Rib Tickler

Which actuator can i use in place of the potterton msv322 on the valve body that i have at present?

By body, you mean the copper pipe T bit?

My central heating is on even when heating switch is off and only water on. By searching web, i narrowed the problem to the actuator ( potterton msv322. Three port 22mm). The switch on top moves freely. With no change. So i was hoping just to change actuator for new one. I took it off and tried...