Freeze Prevention

When buried in the active frost zone or installed above ground, Urecon pre-insulated service pipe and duct reduce heat loss and increase the time to freeze. The use of pre-insulated pipe and duct will not prevent freezing, especially under no flow conditions. Most services are subject to a no flow condition for several hours during the night when water is not being consumed. This condition may exist for extended periods such as weekends or if the consumer leaves the premises for extended periods. It is important that measures be taken to prevent freezing of the service pipe.

There are several options available to prevent freezing:

• use of low watt density electric heat tracing
• circulation with pitorifice corporation stops
  
• circulation with fractional circulation pumps