I am looking to change out all of the original cast iron pipe on the heat distribution system in a 100+ year old 3-story building that I am renovating in Easton, PA. The distribution system is on two NG boilers with feed pumps (1 for 1st floor; 1 for 2nd/3rd floors). The house was not...

Replacing cast iron with PEX-Al-PEX for hot water heat I am looking to change out all of the original cast iron pipe on the heat distribution system in a 100+ year old 3-story building that I am renovating in Easton, PA. The distribution system is on two NG boilers with feed pumps (1 for 1st...

My husband and I are rebuilding an old two story log cabin, incorporating it and some new spaces into a new 'old' home. For a variety of reasons, including the lack of space for ducting in log walls, we want to heat this with hot water using reclaimed 2-pipe steam radiators and some...