the internal resistance has likely increased

The Siemens S55155-A108 Actuator is the reliable professional-grade choice for terminal unit applications where fail-in-place functionality is a system requirement

eliminating the need for field modifications during furnace blower wheel replacement

providing the thermal resilience required for furnace and boiler environments

Built in a 48 frame size with an OAO (Open Air Over) enclosure

Siemens Combustion AGG5.310 Sensor/Mounting Kit 326058-758 the internal resistance has likelyThe Siemens AGG5. 310 is a specialized rotational sensor and mounting kit engineered specifically for LMV52 Linkageless Burner Management Systems utilizing VFD control. When commissioning a Variable Frequency Drive (VFD) for combustion air fans, precise shaft speed feedback is critical to ensure the burner maintains its programmed fuel to air ratio. This kit provides the necessary hardware to monitor motor RPM effectively, maintaining the integrity of