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The Webstone 40414 is a one-inch threaded isolator flange with drain designed for effective use in heating systems. This product features a reliable brass body and flange construction. The unit is compatible with two-bolt flanged circulator pumps and is suitable for both residential and commercial applications. It is especially useful in closed systems that require a large port drain and fill valve.
This isolator flange includes necessary hardware for installation and is engineered for efficiency in circulator pump systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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