Weil McLain 383-500-300 Return/Supply Water Temperature Sensor Kit for Ultra Gas Boilers

The Weil-McLain 383-500-300 is a direct replacement component engineered for accurate water temperature monitoring in Ultra Series Gas Boilers. This return/supply sensor kit is designed for Ultra Gas boiler Series 1-2 models (sizes 310, 80) and includes one sensor.

Key Features:

• Compatible with Model Ultra-80, Ultra-105 Series 1 and 2 Boilers
• Features dog ear connections for secure installation
• Universal application for both supply and return temperature locations
• Threads directly into the heat exchanger with low voltage two-wire connection
• Factory OEM replacement part ensures proper fit and performance

This temperature sensor accurately monitors water temperature at either the supply or return location of your Ultra Series boiler, providing critical feedback to the control system for efficient and safe operation. The sensor is a direct factory replacement that installs quickly and easily.