IAPMO and ICC perform the same independent 3rd party evaluation to the code - they both are accredited by the same organizations and are evaluating couplers to the same acceptance criteria and building codes - it seems that more and more coupler manufacturers are turning to IAPMO vs ICC.
I have...
The Lenton couplers and lenton lock coupler have a current IAPMO ES report which has the same ANSI accreditiations as ICC ES. www.iapmoes.org in addition to the legacy report noted...
