Changing pipe size.
Posted by Syd Ward on September 02, 2002 at 06:33:46:
The copper piping for the hot water heating system in my house is 1.25" dia. at the cast iron boiler reducing to 3/4" and a joint of 1/2" before the cast iron radiators (in both supply and return). There is a circulating pump in the return line. I want to change some of the rads to copper baseboard finned. They have 3/4" pipe. What will happen if I change the 1/2" joints to 3/4? Will I need to do anything other than change the rads and short sections of pipe?


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