Key Benefits ASME Section IV Certified: Validated capacity performance for high-output heating systems

ensuring reliable damper and valve positioning even in demanding high-static environments

Durable Construction: Designed to withstand the continuous pressure fluctuations inherent in industrial HVAC control systems

When you need reliable flow control in hydronic systems

Lochinvar & A.O. Smith 100074237 Ignitor 326058-758 Key Benefits ASME Section IVThe Lochinvar & A. O. Smith 100074237 Ignitor is a critical OEM replacement component designed for high efficiency gas fired water heaters. Engineered for precision and thermal durability, this ignitor provides the essential spark required for consistent burner ignition in residential tankless natural gas water heaters. As a veteran technician knows, maintaining the ignition sequence at peak performance is vital for system reliability and preventing