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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
it features a slow-acting thermal wax element that eliminates water hammer—a common failure point in fast-acting solenoid alternatives
preventing erratic readings in sensitive 4-20mA or 0-10Vdc circuits
the ST-W24 simplifies maintenance by including a heavy-duty brass thermowell with a 1/2" NPT fitting
it meets rigorous standards for noise and vibration reduction
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