Modine 3H0374540002 Pilot Assembly 30067439-890 it features a slow-acting thermal

it features a slow-acting thermal wax element that eliminates water hammer—a common failure point in fast-acting solenoid alternatives

the ST-W24 simplifies maintenance by including a heavy-duty brass thermowell with a 1/2" NPT fitting

compatibility is determined by the outer diameter of the compressor shell and the voltage requirements

torch-brazing installations without the need for wet-ragging

It is engineered to handle the synchronized combustion sequences typical of high-capacity commercial heating systems

Modine 3H0374540002 Pilot Assembly 30067439-890 it features a slow-acting thermalThe Modine 3H0374540002 Pilot Assembly is a critical OEM component designed specifically for unit heaters and duct furnaces. As a veteran grade standing pilot assembly, this unit ensures reliable ignition and consistent flame sensing for commercial and industrial heating systems. It serves as the direct replacement for 3H37454 2, providing a seamless retrofit for older installations without requiring additional field modifications to the burner