featuring a 14

the STE-1451 is specifically optimized for outside air applications due to its sun shield and weatherproof gasketed housing

Unlike manual reset limits often found on rollout switches

455 inches

Lochinvar & A.O. Smith 100208332 Sight Glass 321042-401 featuring a 14The 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