The Lochinvar & A.O. Smith 100305039 is an OEM K LDM Sensor Assembly designed as a direct replacement part for compatible Lochinvar and A.O. Smith boiler and water heating systems. Engineered to factory specifications, this sensor assembly helps maintain accurate system monitoring and ensures your equipment continues to operate safely and efficiently.
Product Overview
This sensor assembly is a genuine OEM component sourced directly from Lochinvar & A.O. Smith, making it the ideal replacement choice for service technicians and contractors who demand precision and reliability. Using an authentic factory part helps preserve equipment warranty coverage and ensures compatibility with the original system design.
Key Features
- OEM replacement K LDM Sensor Assembly for Lochinvar & A.O. Smith equipment
- Engineered to factory specifications for direct, drop-in replacement
- Supports accurate system sensing for safe and efficient boiler/water heater operation
- Helps maintain equipment warranty when using genuine OEM components
- Designed for compatibility with applicable Lochinvar & A.O. Smith boiler and water heating models
Application
- Replacement sensor assembly for Lochinvar & A.O. Smith K LDM series boilers and water heaters
- Suitable for residential and light commercial hydronic heating applications
Ordering Information
- SKU: 100305039
- Brand: Lochinvar & A.O. Smith
- Part Type: K LDM Sensor Assembly








