Lochinvar & A.O. Smith 100073343 Flame Sensor 320734-701 Common Questions What is the

Common Questions What is the difference between SPDT and SPST in this control

ensuring seamless integration and enhanced operational safety for various heating units

providing emergency relief when system pressure exceeds 60 PSI

This part number is for the belly band (mounting strap) itself

Lochinvar & A.O. Smith 100073343 Flame Sensor 320734-701 Common Questions What is theThe 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