Lochinvar & A.O. Smith 100111601 Valve 321702-401 Frequent tripping usually indicates restricted

Frequent tripping usually indicates restricted airflow from a dirty filter

As a direct replacement for HH07AT215

specifically designed to monitor internal heat exchanger temperatures

System Protection: Extends the service life of the expensive HEPA media by filtering out large debris

The 18M65 comes factory-configured for natural gas

Lochinvar & A.O. Smith 100111601 Valve 321702-401 Frequent tripping usually indicates restrictedThe Lochinvar & A. O. Smith 100111601 is a high capacity water pressure relief valve engineered for critical over pressure protection in commercial and industrial hydronic systems. Featuring a 3 4" NPT connection and a fixed 125 PSI pressure rating, this valve is designed to handle discharge capacities up to 2,289,000 BTU HR, making it a standard specification for high output boilers and water heaters. As a genuine OEM replacement part, it ensures