Description
Bosch 5446190 Sensor Well with 3/4″ NPT Connection
The Bosch 5446190 is a precision-engineered sensor well (thermowell) designed for use in hydronic heating systems, HVAC applications, and building automation installations. Featuring a 3/4″ NPT threaded connection, this immersion well allows temperature sensors to be accurately inserted into a pipe or vessel without direct contact with the fluid, enabling safe and reliable temperature monitoring.
Key Features
- 3/4″ NPT (National Pipe Thread) threaded connection for easy, leak-free installation
- Designed to accept compatible Bosch immersion temperature sensors
- Allows sensor removal and replacement without draining the system
- Suitable for hydronic heating, boiler systems, and HVAC piping applications
- Durable construction for long-lasting performance in demanding environments
- Ensures accurate fluid temperature measurement while protecting the sensor element
Application
The Bosch 5446190 Sensor Well is ideal for use in hot water heating systems, chilled water systems, and other hydronic or HVAC piping configurations where accurate immersion temperature sensing is required. The 3/4″ NPT fitting makes it compatible with standard pipe fittings found throughout commercial and residential HVAC installations.
Why Choose the Bosch 5446190?
Bosch is a globally recognized leader in HVAC controls and building automation. The 5446190 sensor well reflects Bosch’s commitment to precision, reliability, and ease of installation — making it a trusted choice for HVAC technicians and building automation professionals.







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