Between defining hot water as 160 °F (60 °C), requiring that temperature to be within 12 inches of the point-of-use fitting, and eliminating the use of an ASSE 1017 (Temperature Actuated Mixing Valve for Hot Water Distribution Systems) master mixing valve, the proposed changes to the Illinois Plumbing Code at the end of 2018 caused quite a stir. Thanks to an outpouring of comments, proposals, collaboration, and overall involvement, the result is a set of tempered requirements that balance Legionella prevention and scald protection. There is still room for improvement, as is the case with many codes. Here’s what transpired that’s of interest to ASSE members:
A copy of the proposals and responses is available online. A copy of the upcoming text with strikethrough and underline is also available.
