The Belimo TFB24-3-S is a high-performance spring return actuator engineered for precise control in HVAC applications requiring up to 22 in-lb torque

needs to be addressed before the system can be restarted

specifically replacing the obsolete 100078039 and 9007876005 part numbers

NSF-certified silicone lubricant on the O-rings to ensure a proper seat and prevent pinching during reassembly

Standard HVAC hand tools are required to pull the coil and swap the pan

Automation Components Inc (ACI) A/CP-INW-4-GD Thermistor 321042-401 The Belimo TFB24-3-S is aThe ACI A CP INW 4 GD is a high precision 10K Type II thermistor specifically engineered for immersion temperature sensing in HVAC Building Automation Systems. This single point temperature sensor features a 4 inch stainless steel probe and a durable galvanized metal enclosure (NEMA 1 rated), making it an ideal choice for chilled water systems, hot water tanks, and commercial boilers. To ensure long term reliability in demanding environments, the