For insulating hot water, non-steam pipes. Prevent freezing, stops sweating, reduces heat loss, and keeps water hot in pipes.

Pipe Insulation reduces heat loss and saves energy. 

Insulated hot water pipes can raise water temperature by 2°F-4°F which allows the homeowner to lower the temperature setting. 

Pipe insulation also results in quicker wait times for hot water for the shower and faucet, which aids in conserving water.     

Pipe Insulation Pre-Slit 1/2" i.d.