Weil McLain 383-500-300 Sensor This prevents potential heat exchanger

This prevents potential heat exchanger damage and operational hazards caused by restricted airflow

For technicians maintaining HVAC pneumatic controls

How do I know if my BASO K19AT-72 thermocouple is failing

Constructed specifically for Ruud natural gas valves

Weil McLain 383-500-300 Sensor This prevents potential heat exchangerThe Weil McLain 383 500 300 is an OEM spec Return Supply Water Sensor designed for precision temperature regulation within hydronic systems. Engineers and technicians primarily utilize this 12k ohm NTC thermistor kit for Weil McLain Ultra Series boilers, specifically supporting Ultra Gas Boiler models such as the Ultra 310 and Ultra 80 (Series 1 & 2). By delivering real time data to the U Control module, it allows the unit to modulate firing rates