Description
The Xylem-McDonnell & Miller TC-4 (Part Number 195000) is a complete upper and lower test and check valve assembly engineered for dependable performance in boiler feed and hydronic system applications. Designed to meet the demanding requirements of steam and hot water boiler installations, this assembly provides a convenient, code-compliant solution for isolating, testing, and protecting your water feeder and low-water cutoff controls.
Product Overview
The TC-4 combines upper and lower test and check valves with an integrated vacuum breaker into a single, ready-to-install assembly. The 1″ NPT connection ensures compatibility with standard boiler piping configurations, simplifying installation and reducing the need for additional fittings. The vacuum breaker prevents back-siphoning and protects system integrity during shutdown or pressure fluctuations.
Key Features
- Includes both upper and lower test and check valves in one assembly
- 1″ NPT connection for standard boiler piping compatibility
- Integrated vacuum breaker prevents back-siphoning and system contamination
- Designed for use with McDonnell & Miller water feeders and low-water cutoff controls
- Facilitates easy testing and servicing of boiler feed equipment without draining the system
- Durable construction for long-term reliability in steam and hot water boiler applications
- Part Number: 195000
Applications
- Steam boiler systems
- Hot water boiler systems
- Boiler water feeder installations
- Low-water cutoff control piping assemblies
Why Choose the TC-4?
The McDonnell & Miller TC-4 simplifies compliance with boiler installation codes by providing all necessary test and check valve components in a single assembly. Its integrated vacuum breaker adds an extra layer of system protection, while the 1″ NPT connection ensures a straightforward, leak-free installation. Trusted by HVAC and plumbing professionals, this assembly is the go-to solution for protecting and maintaining boiler water feed systems.
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