Recent content by bobdabilder

how much would a new one cost. i have never had a problem with it before

thanks gavinda i do leave the mains but for some reason my mains keeps tripping as well we have some sort of problem in our area. thts y i need the batery

my powermax 135 boiler is causing me major problems. it seems to lose power from its back up battery and resets itself every 2 or 3 days. It also seems to have lost my timer settings and my central heating settings. please can any one tell me what battery it takes so i can get a new one...