I had the furnace replaced (it is in the basement) in a two unit rental last Spring. On the first floor, heat is provided by six radiators connected by single diverter tees to a copper tubing monoflo-design system. Now that heating season is here, the first floor radiators do not seem to get very hot. (Heat for the second floor is provided by the same furnace but the second floor radiators are connected by regular tees to separate supply and return lines, and the second floor system seems to operate ok.)
The company that installed the furnace asked me to trace and label all the radiator risers to make their troubleshooting job easier. (I couldn't fault them for the request because the basement ceiling is a plumbing mess.) I have done that and found that as I follow the monoflo main in the direction of water flow, for the first three radiators the diverter valves are installed on the second riser (the return?) and for the last three the diverter valves are installed on the first riser (the supply?). The red band on each diverter valve is between the risers of the radiator it serves, so they are installed correctly, but three are installed on the return side of the radiator and three are installed on the supply side. Is this typical, and more importantly, could this be part of the problem?
I don't know if this helps, but when I bled the radiators recently, no air came out and the stream of water was not very strong at all. Thanks in advance!
The company that installed the furnace asked me to trace and label all the radiator risers to make their troubleshooting job easier. (I couldn't fault them for the request because the basement ceiling is a plumbing mess.) I have done that and found that as I follow the monoflo main in the direction of water flow, for the first three radiators the diverter valves are installed on the second riser (the return?) and for the last three the diverter valves are installed on the first riser (the supply?). The red band on each diverter valve is between the risers of the radiator it serves, so they are installed correctly, but three are installed on the return side of the radiator and three are installed on the supply side. Is this typical, and more importantly, could this be part of the problem?
I don't know if this helps, but when I bled the radiators recently, no air came out and the stream of water was not very strong at all. Thanks in advance!