Lochinvar & A.O. Smith 100208332 Sight Glass 319852-301 What are the symptoms of

What are the symptoms of a failing valve stem

Smith manifolds reduces downtime during service calls

While this "Small" style plug is standard across many models

and a sensing passage O-ring

This unit is a dependable choice for contractors seeking a high-performance

Lochinvar & A.O. Smith 100208332 Sight Glass 319852-301 What are the symptoms ofThe Lochinvar & A. O. Smith 100208332 Sight Glass is a critical diagnostic component engineered for high recovery commercial boilers and water heaters. As a veteran technician knows, maintaining a clear line of sight into the combustion chamber is essential for verifying burner flame rectification and overall pilot stability without breaching the sealed system. This OEM replacement part is manufactured from high strength borosilicate glass, providing