Description
The Johnson Controls WEL11A-601R is a precision-engineered bulb well (thermowell) designed to protect and accurately position temperature-sensing bulbs in hydronic, HVAC, and building automation systems. Constructed with a durable brass connector and a copper tube, this well provides excellent thermal conductivity for responsive, accurate temperature measurement while shielding the sensing element from direct fluid contact and system pressure.
Key Features
- Bulb well (thermowell) designed for temperature sensor bulb protection and accurate immersion sensing
- Compact 2-3/8″ x .299″ well dimensions for precise fit in tight installations
- 1/2″ outside thread for secure, leak-free connection to pipes and vessels
- Brass connector provides corrosion resistance and long service life
- Copper tube construction ensures excellent thermal conductivity for fast, accurate temperature response
- Compatible with Johnson Controls aquastats, temperature controllers, and sensing systems
Specifications
- Brand: Johnson Controls
- SKU / Part Number: WEL11A-601R
- Well Dimensions: 2-3/8″ x .299″
- Thread Size: 1/2″ Outside Thread
- Connector Material: Brass
- Tube Material: Copper
Applications
- Hydronic heating and cooling systems
- Boiler and hot water system temperature sensing
- Building automation and HVAC control systems
- Aquastat and temperature controller installations requiring bulb protection
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