Description
The Weil McLain 640-000-034 is a genuine OEM replacement sensor kit engineered for central heating (CH) supply temperature monitoring in Weil McLain hydronic boiler systems. Featuring a dual-point sensing configuration and wall-mount design, this kit ensures accurate temperature feedback to the boiler control system for reliable and efficient hydronic operation.
Key Features
- Genuine Weil McLain OEM replacement part — ensures full compatibility and system integrity
- Central heating (CH) supply temperature sensing for precise hydronic system monitoring
- Dual-point (DP) sensor configuration for enhanced measurement accuracy
- Wall-mount (WMnt) design for convenient and secure installation
- Designed to integrate directly with compatible Weil McLain boiler control systems
- Helps maintain optimal boiler efficiency and safety through accurate temperature feedback
Application
This sensor kit is intended for use with compatible Weil McLain boiler models requiring CH supply temperature sensing. It is ideal for service technicians performing maintenance, troubleshooting, or component replacement on Weil McLain hydronic heating systems.
Product Details
- Brand: Weil McLain
- Part Number / SKU: 640-000-034
- Type: Supply Temperature Sensor Kit
- Sensing Points: Dual Point
- Mounting Style: Wall Mount
- Application: Central Heating (CH) Hydronic Boiler Systems







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