...considering the age...the house and heatint system is almost 50 years old custom built by a european man in 54. each room is a separate zone controlled by a 110 volt solenoid. It seems like to me that there would be some significant temp swings with this style of control...am I wrong? Seems like the house being one or two zones (its a ranch, of course) would make it simpler by varying the water volume based on heat need would be better rather than the temp swings created by the solenoids being turned on and off. Thanks for the input Harold.
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