Can anyone advise we have had 3 rads spring leaks in the last 2 weeks NOT from joints seams or valves from the main body of the rad Since that has happened we have noticed our Worcester Heatslave 15/19 oil boiler has been pressuring up and down uncontrollable are the two problems connected. It will be a week before an engineer can call Can anyone through any light on whats going wrong surely it cant be just bad luck. Bye the way the whole system is less than 4 years old & we have used inhibitors we have it services every year the last time was Jan 2006 Thanks in anticipation