Description
The Xylem-McDonnell & Miller 317353 is a Test and Check Lower Valve (Model TC-L) designed for use in hydronic heating systems as a companion component to automatic water feeders and low-water cutoffs. This lower valve plays a critical role in maintaining the integrity and safety of boiler water feed systems by enabling controlled testing of the water feeder and providing reliable check valve functionality to prevent backflow.
Key Features
- Model TC-L lower valve designed for use with McDonnell & Miller automatic water feeders
- Enables in-line testing of automatic water feeder operation without system shutdown
- Integrated check valve function prevents backflow in the water supply line
- Rugged construction built for long-term reliability in hydronic boiler applications
- Engineered by Xylem-McDonnell & Miller, a trusted name in boiler controls and hydronic accessories
Application
The TC-L lower valve is used in conjunction with McDonnell & Miller test and check valve assemblies on steam and hot water boilers. It installs in the water supply piping to the boiler, allowing technicians to verify proper automatic feeder operation during routine maintenance and inspections — a key requirement for safe boiler system management.
Why Choose Xylem-McDonnell & Miller
Xylem-McDonnell & Miller has been a leading manufacturer of boiler controls, water feeders, and hydronic system components for over a century. The TC-L lower valve reflects the brand’s commitment to safety, durability, and ease of service in commercial and residential hydronic heating applications.
Product Details
- Brand: Xylem-McDonnell & Miller
- SKU: 317353
- Model Number: TC-L
- Component Type: Test and Check Lower Valve
- Application: Hydronic boiler water feeder systems
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