Why does the kit include a new cell handle

Facilitates a reliable transition from 1/2" inverted flare to 1/2" copper sweat without additional bushings

Verified Performance: Meets proprietary design life testing for maximum reliability in high-cycle ductless split environments

and significant end float

This is an automatic (Auto) limit switch that will reset itself once the temperature drops below its specific differential set point

Weil McLain 511-330-089 Sensor & Clamp Why does the kit includeThe Weil McLain 511 330 089 Sensor & Clamp is a critical OEM replacement water temperature sensor engineered for precise thermal monitoring in high efficiency hydronic systems. This thermistor style temperature sensor is primarily utilized as a water return sensor or inlet sensor for Weil McLain GV series boilers, including the GV90, GV90+, and GV 3 Trim models. By delivering accurate resistance based signals to the Integrated Boiler Control (IBC),