Description
Honeywell TG250-UT Dial Thermometer Overview
The Honeywell TG250-UT is a reliable 2.5″ dial thermometer designed for accurate temperature monitoring in hydronic heating systems, boilers, and related plumbing applications. Featuring a 1/2″ thermowell connection, this thermometer installs directly into a pipe or fitting to provide continuous, at-a-glance temperature readings without the need for electrical power.
Key Features
- 2.5″ easy-to-read dial face for clear temperature indication
- 1/2″ thermowell connection for secure, leak-free installation into piping systems
- Designed for hydronic heating, boiler, and plumbing applications
- Durable construction built to withstand demanding HVAC and hydronic environments
- No external power required — fully mechanical, self-contained operation
- Compatible with standard 1/2″ pipe fittings and thermowell sockets
Typical Applications
- Hydronic heating systems
- Boiler supply and return lines
- Domestic hot water systems
- Commercial and residential HVAC piping
Why Choose the Honeywell TG250-UT?
Honeywell’s TG250-UT thermometer delivers dependable temperature monitoring in a compact, easy-to-install package. The 2.5″ dial provides a clear, readable display even in tight mechanical spaces, while the 1/2″ thermowell connection ensures a secure fit in standard hydronic piping configurations. Built to Honeywell’s exacting quality standards, this thermometer is a trusted choice for HVAC technicians and plumbing professionals seeking long-lasting performance.







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