Description
The Xylem-McDonnell & Miller 317354 Test and Check Vacuum Breaker with Gasket (Model TC-V) is a precision-engineered hydronic and steam system component designed to prevent back-siphonage and vacuum formation within boiler and piping systems. Built to the exacting standards that have made McDonnell & Miller a trusted name in the HVAC and hydronic heating industry, this vacuum breaker helps maintain system integrity by allowing air to enter the system when negative pressure conditions occur, protecting equipment and piping from damage.
Product Overview
The TC-V model combines test and check functionality in a single, compact assembly. The included gasket ensures a leak-free installation, making this a complete replacement or new-installation solution for service technicians and contractors working on steam and hot water heating systems.
Key Features
- Test and check vacuum breaker design for reliable negative-pressure protection
- Includes matching gasket for a complete, leak-free installation
- Engineered by McDonnell & Miller, a trusted Xylem brand with decades of hydronic expertise
- Compact form factor for easy integration into existing boiler and steam piping systems
- Durable construction suited for demanding hydronic and steam heating applications
- Model TC-V — a direct OEM replacement for compatible McDonnell & Miller installations
Applications
- Steam heating systems
- Hot water (hydronic) boiler systems
- Commercial and residential boiler piping
- Replacement maintenance for existing TC-V vacuum breaker installations
Product Details
- SKU: 317354
- Model Number: TC-V
- Brand: Xylem-McDonnell & Miller
- Includes: Vacuum Breaker and Gasket
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