I have a vedrolux 37 with 1000 gal of pressurized storage and it is piped as a primary secondary lop system I can't get tanks up past 170 I'm burning 3-4 full loads of wood a day for a burn time of 6-8 hours the wood is dry it has been covered for 5-6 months and then goes in side 2 weeks before to finish drying I keep a fan blowing on the wood and a dehumidifier on all the time need to find out what the problem is soon getting sick loading this thing stack temp is 350 f pressure is at 11 psi