I have an old home in the northeast. heat is oil hot water. big radiators in each room. I renovated the 2nd floor bathroom, took out the radiator and put 1/2 pex in the floor. ran the pex down into the basement and connected each end to the inflow and outflow of the line that went to the radiator in the renovated bathroom. I was hoping the flow would travel up and through the pex, but it doesn't. There are 2 different styles of piping for the heat in the house. The older style for the old radiators and the single loop for the newer baseboard heat in the newer portion of the house. What options do I have to get heat to the bathroom.
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