Optimized Ignition: Provides the necessary buffer to allow system pressures or flue gases to stabilize before the next ignition cycle

and LD series heater models

The AG13A01A is specifically designed to mount directly onto Erie PopTop VT and VS series valve bodies

the A21348-1 facilitates a reliable rebuild when performing routine steam trap maintenance or internal mechanism inspections

featuring an integrated time delay relay that optimizes airflow by managing the fan motor’s post-purge cycle

McDonnell & Miller 304300 Snap Switch Els PW 17895 Optimized Ignition: Provides the necessaryThe McDonnell & Miller 304300, also identified as the FS1 17 Snap Switch Assembly, is the critical single pole, double throw (SPDT) replacement component designed for Series FS1, FS4 3D, FS5, FS6, and AFE 1 liquid flow switches. This industrial grade switch is engineered specifically for high sensitivity applications in hydronic heating and HVAC systems where detecting low or moderate flow rates is vital for system protection. As an OEM replacement