or "chattering" sounds which indicate the 24V signal is not holding the contacts closed firmly

it is designed to replace specific ICP components

eliminating exhaust leaks and maximizing furnace draft inducer performance during heavy heating cycles

For contractors managing hydronic steam zone control

Itron-Actaris 762647 Spring 320788-704 or "chattering" sounds which indicateThe Itron Actaris 762647 Silver Spring is a critical replacement component engineered specifically for the B42 Series service regulator. Designed to provide a precise outlet pressure range of 12 28" w. c., this spring is essential for maintaining accurate downstream delivery in residential and light commercial gas applications. As a veteran grade part, it ensures the regulator maintains its 6: 1 lever ratio performance and high capacity relief