Is the 3-inch insert length required

a clogged liquid line strainer

000 Ohms at 77

It is a common standard for many global BAS platforms

White-Rodgers 37C73U-174 Valve 30067439-890 Is the 3-inch insert lengthThe White Rodgers 37C73U 174 is a direct replacement natural gas water heater valve engineered for precision temperature control and reliable pilot safety in residential systems. This gas water heater thermostat control features a 1 1 4 inch shank and integrates a 1 2 inch NPT inlet with a 1 2 inch inverted flare outlet, making it a drop in solution for many A. O. Smith and Bradford White applications. Designed for a natural gas water heater, it