Fenwal 35-665576-111 Ignition Module 326058-757 What symptom indicates a failing

What symptom indicates a failing or missing burner disc

preventing ignition failures and potential damage to the ignition module

What is the maximum pressure and temperature rating

ensure the flange bolts are tightened in a secondary pattern to approximately 300 lb-in (34 Nm) to ensure a leak-free seal on the gaskets

Fenwal 35-665576-111 Ignition Module 326058-757 What symptom indicates a failingThe Fenwal 35 665576 111 is a microprocessor based 120V HSI Control engineered for high reliability performance in residential furnaces, hydronic boilers, and commercial water heaters. This hot surface ignition module features a 20 second heat up time and a 4 second trial for ignition (TFI) period, ensuring precise sequencing for gas fired heating equipment. As an OEM grade replacement, it provides robust flame sensing using Detect A Flame technology,