Lochinvar & A.O. Smith 100073343 Flame Sensor 320734-701 protecting the electrical integrity of

protecting the electrical integrity of the system while maintaining consistent airflow by delaying the blower motor until the coils are preheated

providing emergency relief when system pressure exceeds 60 PSI

The quick-opening flow characteristic provides reliable on/off control

3/4" Union Angle Globe Valve

operating at 950/480 RPM

Lochinvar & A.O. Smith 100073343 Flame Sensor 320734-701 protecting the electrical integrity ofThe Lochinvar and A. O. Smith 100073343 flame sensor is a critical safety component designed for precise flame rectification in high efficiency water heaters and boilers. Engineered to withstand high ambient combustion chamber temperatures, this direct spark ignition flame probe ensures the integrated control board receives a consistent microamp signal, preventing nuisance soft lockouts or ignition failures. This genuine OEM replacement part (formerly