maintaining critical safety timings and Detect-A-Flame technology for continuous flame supervision

but checking the technical parts manual for the specific BTU size is recommended

Common Questions What is the difference between the Spence E and E2 main valves

An external upstream regulator is typically only needed if the line pressure exceeds the 5 PSI maximum inlet rating

Smith repair part ensures exact fitment and maintains the original system performance specifications

Fenwal 35-705701-103 Module 326070-701 maintaining critical safety timings andThe Fenwal 35 705701 103 is a high performance 120V Direct Spark Ignition (DSI) control module engineered for the demanding requirements of commercial and industrial heating systems. This microprocessor based ignition control manages the gas valve, monitors the flame sense, and provides a 15 second pre purge cycle to exhaust residual gasses before the 7 second Trial for Ignition (TFI) begins. Designed as a robust solution for furnaces, boilers, and