but the board fails to detect microamps

Technicians should look for signs of "white" mineral deposits or moisture tracking around the perimeter of the collector box

This thermal range

Complete Assembly: Includes both the blower motor and the calibrated blower wheel for a comprehensive repair

Is this compatible with 24V control circuits

Mepco (Dunham Bush) C5838 Cap & Disc Assembly 326058-758 but the board fails toThe Mepco (Dunham Bush) C5838 Cap & Disc Assembly is a critical 1 2 inch replacement component engineered for thermostatic steam trap repair. Designed to restore precise condensate and air discharge, this 1E CAP DISC assembly is compatible with a wide range of Dunham Bush legacy hardware, including the 1B, 1C, 1E radiator trap, and the 30, 44, 46, and 48 series. As a veteran grade steam trap repair kit, it features a high sensitivity thermostatic disc