: Dane Long
Subject: [External] Listed Antifreeze
Good Morning,
I'm looking at putting in a change request to the NFPA 13 committee on
antifreeze systems. See below my reasoning.
1. Per NFPA 13 (2016) 7.6.3.1 if you don’t use a backflow your required to
incorporate a min. 5ft. drop and
Good Morning,
I'm looking at putting in a change request to the NFPA 13 committee on
antifreeze systems. See below my reasoning.
1. Per NFPA 13 (2016) 7.6.3.1 if you don’t use a backflow your required to
incorporate a min. 5ft. drop and check valve with 1/32" hole.
2. Per NFPA you can only use
