While light cleaning with a non-abrasive pad can temporarily restore flame sensing

This valve is primarily used in commercial dishwashers

As the direct replacement for 70-26166-01

Look for signs of "sooting" around the flue pipe transition

Exact Calibration: Factory-set at -0

Siemens Building Technology 599-03060 Valve 319825-402 While light cleaning with aFor demanding hydronic or steam applications, the Siemens 599 03060 Flowrite globe valve delivers precise modulating control with a 1 1 4 inch NPT connection. Utilizing a 2 way normally open configuration, this valve ensures fail safe flow when domestic hot water or heating loops require full output. The ANSI Class 250 bronze body is engineered for high pressure systems, featuring stainless steel trim that resists erosion from high velocity media.