Hi, need some help please am worried. Our lovely plumber fitted a solid fuel stove that runs 7 radiators, then went on holiday. We lit the fire and the pump came on at 8 this morning and hasn't gone off yet. The rads are red hot and the house is toasty but the pump is still running & I cant leave it like that. The last one cut on and off all the time and we left that one on all winter because we live in a cold place, cant do that with this one... Can anybody tell me what is happening with it? No plumber for a fortnight! 
