Fenwal 35-679927-561 Module Refrigerant ensure the sensing bulb is

ensure the sensing bulb is properly seated in a thermowell to maximize thermal conductivity and response time

as it provides a higher safety margin against overheating

you would typically reference the KZ-4000-6 model

Can I install this ignition module myself

Confirm your current part number is either VAL10179 or VAL4329

Fenwal 35-679927-561 Module Refrigerant ensure the sensing bulb isThe Fenwal 35 679927 561 Ignition Control Module is a microprocessor based 24 VAC direct spark ignition system engineered for heavy duty commercial and industrial combustion appliances. This hot surface ignition (HSI) module features proven HSI technology with a built in blower relay and remote reset functionality, making it a critical component for high output systems exceeding 400,000 BTU. Designed for multi trial ignition, the unit monitors the