in need of some help if I may ?? I have an old 1780's home in NY . The oil boiler is a PV83wt burnem ,with a loop of 1"1/4 around the basement with smaller copper t off of that ,in and out . they go to the radiators through out the house . Now I just added a wood boiler thermo- control 550 . We just piped into the loop . Is that right or do I need to have a storage tank ?? the current system has an expansion tank and taco pump . I can give you more details if needed but I need to start some were for I am getting no were right now as in 70 degree water serc through the house at max please help ..