Hot water & room temperature thermostat danfoss?

Need help! My temperature dial for my heating has fallen off ( this is the main that turns to switch heating on and controls temperature) its a simple dial (model- danfoss) housing association council flat heating system.... the circle dial looks easy to pop back on so tryed it but it doesn't seem to be latching to the silver plate that controls the mains (boiler) I then discovered one of the 2 pins (hooks) were on the floor unsure of the position it should go back into (these pins / silver hooks are originally on the opposite side of turning dial does anyone have any idea of how to fix this back on . 4 kids so i need fixed asap can't wait till Monday that's when my housing association opens
Charlene E, April 2017


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