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Fenwal Ignition Module 35 655921 001 Wiring Diagram: Complete 2026 Technical Installation and Troubleshooting Guide

"Understanding the exact wiring and configuration of industrial and commercial heating equipment requires absolute precision. The Fenwal 35-655921-001 electronic gas ignition module is a vital component utilized across various modern combustion systems, gas-fired heaters, and commercial HVAC units as of 2026. This module controls gas valves, spark ignition, and flame sensing safely and efficiently. This guide offers a comprehensive breakdown of the wiring configuration, terminal designations, operational sequences, safety standards, and troubleshooting procedures necessary for certified technicians and experienced professionals. Technical Over..."

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