| American National Standards Institute
|
Web Site:
American National Standards Institute |
| ICC Evaluation Service, Inc.
|
Web Site:
ICC Evaluation Service, Inc. |
| International Association of Plumbing & Mechanical Officials (IAPMO)
|
Web Site:
International Association of Plumbing & Mechanical Officials (IAPMO) |
| International Code Council (ICC)
|
Web Site:
International Code Council (ICC) |
| National Standard Plumbing Code (NSPC)
|
Web Site:
National Standard Plumbing Code (NSPC) |
| NSF, International
|
Web Site:
NSF, International |
| Underwriters Laboratories
|
Web Site:
Underwriters Laboratories |
Virtual encyclopedia on modern hydronic systems.
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