Taco Tank Fitting with Drain and Shutoff Valve - 438-2
The Taco 438-2 Tank Fitting is engineered for optimal air control in hydronic heating systems. This fitting integrates seamlessly with your existing plumbing to maintain a consistent air cushion, ensuring stable pressurization and smooth system operations.
This robust 1-inch NPT tank fitting, rated at 125 psi and up to 240 degrees Fahrenheit, features a cast bronze body designed to withstand the rigors of frequent use in both residential and commercial water systems. The unique function allows it to separate and route free and entrained air into the pressure tank, preventing air re-absorption and enhancing system efficiency.
Features
- Efficient air control to stabilize water level fluctuations.
- Built with durable cast bronze for longevity.
- Equipped with a shut-off valve for quick isolation.
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Brand: Taco
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MPN: 438-2
Specifications
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Material: Cast Bronze
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Connection Type: FNPT x FNPT
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Pressure Rating: 125 psi
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Temperature Capacity: up to 240 degrees Fahrenheit
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Size: 1 Inch NPT
What Our Experts Think
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The Taco 438-2 is a versatile tank fitting featuring both a drain and shutoff valve for easy maintenance and control in hydronic systems.
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Designed for boilers, expansion tanks, and heating systems, it allows convenient isolation and draining without system disruption.
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Built from durable brass for long service life and corrosion resistance.
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Ensures leak-free performance and simple operation with its integrated shutoff handle.
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Ideal for residential and light commercial hydronic applications.
Q&A
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Q: What is the purpose of the drain and shutoff combination?
A: It enables you to isolate and drain tanks or lines safely without depressurizing the entire system.
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Q: Is it suitable for hot water systems?
A: Yes, it’s compatible with both hot and cold hydronic setups.
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Q: What material is it made of?
A: High-quality brass ensures strength and corrosion resistance.
Maintenance Tips
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Operate the valve periodically to prevent sticking.
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Inspect threads and seals regularly for leaks.
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Use thread sealant during installation to maintain a secure, watertight fit.
