Hydronic Piping

Hydronic Antifreeze Must Be Compatible and Properly Protected

Can I put antifreeze in a hydronic heating system?

M2101.4

Hydronic Heating Piping Must Use Approved Materials

What piping materials are allowed for hydronic heating?

M2101.2

Hydronic Piping in Cold Spaces Needs Freeze Protection

Does hydronic piping in a garage or attic need freeze protection?

M2101.5

Hydronic Piping Needs Protection Where It Passes Through Framing

Does hydronic piping need insulation or protection where it passes through framing?

M2101.9

Radiant Floor Tubing Should Be Pressure Tested Before Covering

Does radiant floor tubing need to be pressure tested before concrete or gypcrete?

M2101.10

Radiant Tubing Under Wood Floors Must Follow Listed Assemblies

Can radiant tubing be installed under a wood floor?

M2103.2