Pipe Insulation

Confirm sufficient clearance exists between pipes and heat-producing devices (e.g., combustion venting)

Select insulation that:

is a minimum of R-3

is a vapor retarder

is the correct interior diameter to match pipes

is UV-protected if installed outside

Install insulation without gaps

Do not install insulation around pumps (i.e., prevent overheating)

Seal all pipe insulation seams, joints, connections with tape, tie straps, or other independent means (i.e., manufactured adhesive seam seal is not sufficient)

Maintain a minimum clearance of 6" between combustible pipe insulation and fuel-fired water heater draft hood and/or single wall metal vent materials