Description
Honeywell 315046B Copper Immersion Well Overview
The Honeywell 315046B is a copper immersion well (thermowell) engineered for precise, reliable temperature sensing in hydronic heating systems. Designed specifically for use with the Honeywell LP914 Series aquastats, this well provides a secure, leak-free installation point for temperature sensing elements in boiler piping and hot water systems.
Key Features
- Copper construction for excellent thermal conductivity and corrosion resistance
- 1/2″ NPT threaded connection for standard pipe compatibility
- 7-1/2″ insertion length for accurate immersion sensing in pipe or vessel walls
- Compatible with Honeywell LP914 Series aquastats
- Durable design suited for hydronic heating and hot water applications
- Allows sensor removal and replacement without draining the system
Specifications
- Part Number: 315046B
- Material: Copper
- Connection Size: 1/2″ NPT
- Insertion Length: 7-1/2″
- Compatible Series: LP914 Aquastats
Application
The 315046B immersion well is ideal for boiler systems, hot water heating loops, and hydronic distribution piping where a dedicated LP914 Series aquastat must monitor fluid temperature. The copper well threads directly into the pipe or fitting, housing the aquastat sensing element and protecting it from direct fluid contact while maintaining accurate temperature measurement.
Why Choose the Honeywell 315046B?
Honeywell’s LP914 Series aquastats are a trusted standard in hydronic heating control. The 315046B well ensures a proper, manufacturer-specified installation, maintaining system integrity and sensor accuracy over the long service life of your heating equipment.







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