Engineered for heavy-duty industrial and commercial applications

Universal Compatibility: Designed for surface-mount installation on typical electric water heater storage tanks

as well as PRO 3000 and PRO 4000 models

Enhanced Signal Reliability: Optimizes flame sensing (rectification) to prevent the control board from cycling into a "low flame current" lockout

What does the blue test button signify

Wayne Combustion 101243-001 Ignition Control Els PW 17895 Engineered for heavy-duty industrial andThe Wayne Combustion 101243 001 Ignition Control is a critical OEM replacement part engineered for high performance direct spark ignition in power gas burners. This module serves as a direct upgrade and replacement for discontinued P265F and P250AF systems, ensuring precise flame sensing and sequence timing. Built for the rigors of commercial and industrial heating, the 101243 001 manages the gas valve and spark transformer to maintain stable