Lochinvar & A.O. Smith 100113125 Kit 321702-401 Engineering specifications define this as

Engineering specifications define this as an L160-20F auto limit switch

this contactor is dual-rated for 50/60Hz operation

If your control board is sending power but the spark is weak or missing due to a grounded or broken lead

diaphragm screw

Lochinvar & A.O. Smith 100113125 Kit 321702-401 Engineering specifications define this asAs a veteran tech, you know that a flickering or inconsistent pilot is often the first sign of a failing thermopile assembly. The Lochinvar & A. O. Smith 100113125 Kit is the direct OEM solution for restoring reliable ignition and millivolt production in high efficiency natural gas water heaters and boilers. This natural gas pilot burner kit features a heavy duty thermopile with tubing designed to generate the precise DC voltage required to hold the