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low-fire purge
When troubleshooting Heil furnace ignition problems
this assembly maintains correct static pressure and airflow for optimal heat exchanger performance
suitable for high-output boiler systems
or in the event of a coil failure to maintain flow
Resideo 121371L Well Assembly R-407A low-fire purgeThe Resideo 121371L Well Assembly is a precision engineered immersion well designed for accurate thermal sensing in hydronic heating systems and water heaters. Constructed from high grade copper, this assembly ensures rapid heat transfer and reliable performance for temperature control sensors. It features a 3 inch insertion depth and a 3 8 inch internal diameter, making it compatible with a wide range of standard remote bulb controllers and
