always verify specific system surges do not exceed this threshold to prevent diaphragm damage

controlled by the captive trippers on the 7-day dial

this 397H series gasket set maintains the pressure integrity necessary for original equipment performance and safety compliance

While dimensions may appear similar to other units

ensuring motor leads stay clear of the rotating fan blades

Lochinvar & A.O. Smith 100109680 Pilot 319825-402 always verify specific system surgesThe Lochinvar & A. O. Smith 100109680 Pilot Assembly is a critical OEM replacement part engineered for precise ignition control in high efficiency residential and commercial gas water heaters and boilers. As a veteran grade pilot burner assembly, this component ensures consistent flame rectification and system reliability, preventing the nuisance lockouts often caused by carbon buildup or worn thermocouples. This kit features a robust thermopile and