2015 Minnesota Plumbing Code
The new code is substantially different from the existing plumbing code and is worth owning in order to install to the new provisions.
Some of the updates to the Minnesota Plumbing Code include:
• Completely new layout
• All Shower Drains must be 2”
• All Residential Dishwashers must have Air Gap fitting mounted above counter
• Water Heater relief valves cannot discharge into the water heater pan
• All testable backflow assemblies must be tested annually including Double Check Valve and Pressure Vacuum Breaker assemblies
• Single Wall Heat Exchangers are now allowed
• Flexible water heater connectors are now allowed
• Push fit now allowed on CPVC, PEX and copper
• Drain, Waste, Vent, and Water sizing has changed
• Third party product certification required per the product standards listed in Chapter 14
