Description
The Watts F121602 is a lead-free separable socket (thermowell) from the LF340X series, engineered for safe and reliable temperature measurement in hydronic heating, plumbing, and mechanical piping systems. Designed to accept a standard thermometer probe, this separable socket allows instruments to be installed or removed without draining or depressurizing the system — reducing downtime and simplifying maintenance.
Key Features
- Lead-free construction for compliance with potable water and low-lead regulations
- 1.5″ pipe connection size for straightforward installation in standard piping configurations
- 150# (150 PSI) pressure rating for dependable performance in a wide range of hydronic and plumbing applications
- 3″ probe length provides adequate immersion depth for accurate temperature sensing
- Separable socket design allows thermometer insertion and removal without system shutdown
- Compatible with Watts LF340X series thermometers and standard probe-style temperature instruments
- Durable materials suitable for boiler rooms, mechanical rooms, and commercial hydronic systems
Specifications
- SKU: F121602
- Model Series: LF340X
- Pipe Connection Size: 1.5″
- Pressure Rating: 150# (150 PSI)
- Probe Length: 3″
- Lead-Free Compliant: Yes
Applications
- Hydronic heating and cooling systems
- Boiler supply and return piping
- Commercial and industrial plumbing
- Mechanical room temperature monitoring
- Chilled water and hot water distribution systems







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